99360894432921 has 12 divisors (see below), whose sum is σ = 145619823246576. Its totient is φ = 60218723898520.

The previous prime is 99360894432859. The next prime is 99360894432971. The reversal of 99360894432921 is 12923449806399.

It is not a de Polignac number, because 99360894432921 - 2¹⁸ = 99360894170777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99360894432971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136860735771 + ... + 136860736496.

It is an arithmetic number, because the mean of its divisors is an integer number (12134985270548).

Almost surely, 2^{99360894432921} is an apocalyptic number.

It is an amenable number.

99360894432921 is a deficient number, since it is larger than the sum of its proper divisors (46258928813655).

99360894432921 is a wasteful number, since it uses less digits than its factorization.

99360894432921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273721472292 (or 273721472281 counting only the distinct ones).

The product of its (nonzero) digits is 181398528, while the sum is 69.

The spelling of 99360894432921 in words is "ninety-nine trillion, three hundred sixty billion, eight hundred ninety-four million, four hundred thirty-two thousand, nine hundred twenty-one".