99003630637 has 4 divisors (see below), whose sum is σ = 101679404476. Its totient is φ = 96327856800.

The previous prime is 99003630629. The next prime is 99003630673. The reversal of 99003630637 is 73603630099.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 86087080836 + 12916549801 = 293406^2 + 113651^2 .

It is a cyclic number.

It is not a de Polignac number, because 99003630637 - 2³ = 99003630629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99003633637) 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, 1337886864 + ... + 1337886937.

It is an arithmetic number, because the mean of its divisors is an integer number (25419851119).

Almost surely, 2^99003630637 is an apocalyptic number.

It is an amenable number.

99003630637 is a deficient number, since it is larger than the sum of its proper divisors (2675773839).

99003630637 is a wasteful number, since it uses less digits than its factorization.

99003630637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675773838.

The product of its (nonzero) digits is 551124, while the sum is 46.

The spelling of 99003630637 in words is "ninety-nine billion, three million, six hundred thirty thousand, six hundred thirty-seven".