99941109 has 4 divisors (see below), whose sum is σ = 133254816. Its totient is φ = 66627404.

The previous prime is 99941099. The next prime is 99941111. The reversal of 99941109 is 90114999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99941109 - 2⁵ = 99941077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99941609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16656849 + ... + 16656854.

It is an arithmetic number, because the mean of its divisors is an integer number (33313704).

Almost surely, 2^99941109 is an apocalyptic number.

It is an amenable number.

99941109 is a deficient number, since it is larger than the sum of its proper divisors (33313707).

99941109 is a wasteful number, since it uses less digits than its factorization.

99941109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33313706.

The product of its (nonzero) digits is 26244, while the sum is 42.

The square root of 99941109 is about 9997.0550163536. The cubic root of 99941109 is about 464.0677495331.

The spelling of 99941109 in words is "ninety-nine million, nine hundred forty-one thousand, one hundred nine".