99032921073 has 24 divisors (see below), whose sum is σ = 144078690600. Its totient is φ = 65546476800.

The previous prime is 99032921063. The next prime is 99032921083. The reversal of 99032921073 is 37012923099.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99032921063) and next prime (99032921083).

It can be written as a sum of positive squares in 4 ways, for example, as 10018408464 + 89014512609 = 100092^2 + 298353^2 .

It is a de Polignac number, because none of the positive numbers 2^k-99032921073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99032921063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2870023 + ... + 2904323.

It is an arithmetic number, because the mean of its divisors is an integer number (6003278775).

Almost surely, 2^99032921073 is an apocalyptic number.

It is an amenable number.

99032921073 is a deficient number, since it is larger than the sum of its proper divisors (45045769527).

99032921073 is a wasteful number, since it uses less digits than its factorization.

99032921073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36609 (or 36606 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The spelling of 99032921073 in words is "ninety-nine billion, thirty-two million, nine hundred twenty-one thousand, seventy-three".