99099044099099 has 4 divisors (see below), whose sum is σ = 108108048108120. Its totient is φ = 90090040090080.

The previous prime is 99099044099087. The next prime is 99099044099113.

It is a happy number.

99099044099099 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99099044099099 is a prime.

It is a super-2 number, since 2×99099044099099² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99099044095099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4504502004494 + ... + 4504502004515.

It is an arithmetic number, because the mean of its divisors is an integer number (27027012027030).

Almost surely, 2^{99099044099099} is an apocalyptic number.

99099044099099 is a deficient number, since it is larger than the sum of its proper divisors (9009004009021).

99099044099099 is a wasteful number, since it uses less digits than its factorization.

99099044099099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009004009020.

The product of its (nonzero) digits is 688747536, while the sum is 80.

The spelling of 99099044099099 in words is "ninety-nine trillion, ninety-nine billion, forty-four million, ninety-nine thousand, ninety-nine".