99634291203 has 16 divisors (see below), whose sum is σ = 140798286720. Its totient is φ = 62454251136.

The previous prime is 99634291171. The next prime is 99634291213. The reversal of 99634291203 is 30219243699.

It is not a de Polignac number, because 99634291203 - 2⁵ = 99634291171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99634291213) 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, 906625 + ... + 1010562.

It is an arithmetic number, because the mean of its divisors is an integer number (8799892920).

Almost surely, 2^99634291203 is an apocalyptic number.

99634291203 is a deficient number, since it is larger than the sum of its proper divisors (41163995517).

99634291203 is a wasteful number, since it uses less digits than its factorization.

99634291203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918226.

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 99634291203 in words is "ninety-nine billion, six hundred thirty-four million, two hundred ninety-one thousand, two hundred three".