99929944992999 has 16 divisors (see below), whose sum is σ = 145369661912064. Its totient is φ = 60556513588800.

The previous prime is 99929944992989. The next prime is 99929944993003.

99929944992999 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 99929944992999 - 2¹⁷ = 99929944861927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99929944992929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176949742 + ... + 177513579.

It is an arithmetic number, because the mean of its divisors is an integer number (9085603869504).

Almost surely, 2^{99929944992999} is an apocalyptic number.

99929944992999 is a deficient number, since it is larger than the sum of its proper divisors (45439716919065).

99929944992999 is a wasteful number, since it uses less digits than its factorization.

99929944992999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354471878.

The product of its digits is 223154201664, while the sum is 102.

The spelling of 99929944992999 in words is "ninety-nine trillion, nine hundred twenty-nine billion, nine hundred forty-four million, nine hundred ninety-two thousand, nine hundred ninety-nine".