13639442496 has 56 divisors (see below), whose sum is σ = 37251826944. Its totient is φ = 4399818240.

The previous prime is 13639442471. The next prime is 13639442519. The reversal of 13639442496 is 69424493631.

It is a super-4 number, since 4×13639442496⁴ (a number of 42 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139835 + ... + 1151738.

Almost surely, 2^13639442496 is an apocalyptic number.

13639442496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13639442496 is an abundant number, since it is smaller than the sum of its proper divisors (23612384448).

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

13639442496 is a wasteful number, since it uses less digits than its factorization.

13639442496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291619 (or 2291609 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 51.

The spelling of 13639442496 in words is "thirteen billion, six hundred thirty-nine million, four hundred forty-two thousand, four hundred ninety-six".