13271718964 has 12 divisors (see below), whose sum is σ = 26543437984. Its totient is φ = 5687879544.

The previous prime is 13271718931. The next prime is 13271718991. The reversal of 13271718964 is 46981717231.

13271718964 is an admirable number.

It is a super-2 number, since 2×13271718964² (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 236994954 + ... + 236995009.

Almost surely, 2^13271718964 is an apocalyptic number.

13271718964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13271718964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13271718964 is a wasteful number, since it uses less digits than its factorization.

13271718964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473989974 (or 473989972 counting only the distinct ones).

The product of its digits is 508032, while the sum is 49.

The spelling of 13271718964 in words is "thirteen billion, two hundred seventy-one million, seven hundred eighteen thousand, nine hundred sixty-four".