13437683756 has 18 divisors (see below), whose sum is σ = 27355285188. Its totient is φ = 5759007240.

The previous prime is 13437683719. The next prime is 13437683773. The reversal of 13437683756 is 65738673431.

It is a junction number, because it is equal to n+sod(n) for n = 13437683698 and 13437683707.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34279610 + ... + 34280001.

It is an arithmetic number, because the mean of its divisors is an integer number (1519738066).

Almost surely, 2^13437683756 is an apocalyptic number.

It is an amenable number.

13437683756 is an abundant number, since it is smaller than the sum of its proper divisors (13917601432).

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

13437683756 is a wasteful number, since it uses less digits than its factorization.

13437683756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68559629 (or 68559620 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 53.

The spelling of 13437683756 in words is "thirteen billion, four hundred thirty-seven million, six hundred eighty-three thousand, seven hundred fifty-six".