13489874436 has 24 divisors (see below), whose sum is σ = 32561766720. Its totient is φ = 4341568672.

The previous prime is 13489874393. The next prime is 13489874479. The reversal of 13489874436 is 63447898431.

It is an interprime number because it is at equal distance from previous prime (13489874393) and next prime (13489874479).

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, 19381656 + ... + 19382351.

It is an arithmetic number, because the mean of its divisors is an integer number (1356740280).

Almost surely, 2^13489874436 is an apocalyptic number.

It is an amenable number.

13489874436 is an abundant number, since it is smaller than the sum of its proper divisors (19071892284).

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

13489874436 is a wasteful number, since it uses less digits than its factorization.

13489874436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38764043 (or 38764041 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 57.

The spelling of 13489874436 in words is "thirteen billion, four hundred eighty-nine million, eight hundred seventy-four thousand, four hundred thirty-six".