13644676968 has 64 divisors (see below), whose sum is σ = 36747164160. Its totient is φ = 4197048576.

The previous prime is 13644676957. The next prime is 13644676973. The reversal of 13644676968 is 86967644631.

It is a super-2 number, since 2×13644676968² (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 15 ways as a sum of consecutive naturals, for example, 1582846 + ... + 1591442.

It is an arithmetic number, because the mean of its divisors is an integer number (574174440).

Almost surely, 2^13644676968 is an apocalyptic number.

It is an amenable number.

13644676968 is an abundant number, since it is smaller than the sum of its proper divisors (23102487192).

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

13644676968 is a wasteful number, since it uses less digits than its factorization.

13644676968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13706 (or 13702 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 60.

The spelling of 13644676968 in words is "thirteen billion, six hundred forty-four million, six hundred seventy-six thousand, nine hundred sixty-eight".