13638158592 has 36 divisors (see below), whose sum is σ = 36297392880. Its totient is φ = 4546052608.

The previous prime is 13638158587. The next prime is 13638158603. The reversal of 13638158592 is 29585183631.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8878242 + ... + 8879777.

Almost surely, 2^13638158592 is an apocalyptic number.

13638158592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13638158592 is an abundant number, since it is smaller than the sum of its proper divisors (22659234288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13638158592 is an equidigital number, since it uses as much as digits as its factorization.

13638158592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17758038 (or 17758024 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The spelling of 13638158592 in words is "thirteen billion, six hundred thirty-eight million, one hundred fifty-eight thousand, five hundred ninety-two".