13685370752 has 32 divisors (see below), whose sum is σ = 27296923800. Its totient is φ = 6834378240.

The previous prime is 13685370707. The next prime is 13685370757. The reversal of 13685370752 is 25707358631.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 13685370697 and 13685370706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13685370757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41627 + ... + 170597.

Almost surely, 2^13685370752 is an apocalyptic number.

It is an amenable number.

13685370752 is a deficient number, since it is larger than the sum of its proper divisors (13611553048).

13685370752 is an equidigital number, since it uses as much as digits as its factorization.

13685370752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129814 (or 129802 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 13685370752 in words is "thirteen billion, six hundred eighty-five million, three hundred seventy thousand, seven hundred fifty-two".