13479623144 has 32 divisors (see below), whose sum is σ = 27851466720. Its totient is φ = 6076679616.

The previous prime is 13479623111. The next prime is 13479623161. The reversal of 13479623144 is 44132697431.

It is a junction number, because it is equal to n+sod(n) for n = 13479623095 and 13479623104.

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, 1502642 + ... + 1511585.

It is an arithmetic number, because the mean of its divisors is an integer number (870358335).

Almost surely, 2^13479623144 is an apocalyptic number.

It is an amenable number.

13479623144 is an abundant number, since it is smaller than the sum of its proper divisors (14371843576).

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

13479623144 is a wasteful number, since it uses less digits than its factorization.

13479623144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014289 (or 3014285 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The spelling of 13479623144 in words is "thirteen billion, four hundred seventy-nine million, six hundred twenty-three thousand, one hundred forty-four".