13271536964 has 24 divisors (see below), whose sum is σ = 26633681088. Its totient is φ = 5668385760.

The previous prime is 13271536933. The next prime is 13271536973. The reversal of 13271536964 is 46963517231.

It is a super-2 number, since 2×13271536964² (a number of 21 digits) contains 22 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, 800642 + ... + 817049.

It is an arithmetic number, because the mean of its divisors is an integer number (1109736712).

Almost surely, 2^13271536964 is an apocalyptic number.

13271536964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13271536964 is an abundant number, since it is smaller than the sum of its proper divisors (13362144124).

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

13271536964 is a wasteful number, since it uses less digits than its factorization.

13271536964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617995 (or 1617993 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The spelling of 13271536964 in words is "thirteen billion, two hundred seventy-one million, five hundred thirty-six thousand, nine hundred sixty-four".