13657503472 has 20 divisors (see below), whose sum is σ = 26463558456. Its totient is φ = 6828198080.

The previous prime is 13657503443. The next prime is 13657503491. The reversal of 13657503472 is 27430575631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230403 + ... + 283549.

Almost surely, 2^13657503472 is an apocalyptic number.

It is an amenable number.

13657503472 is a deficient number, since it is larger than the sum of its proper divisors (12806054984).

13657503472 is a wasteful number, since it uses less digits than its factorization.

13657503472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69216 (or 69210 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 13657503472 in words is "thirteen billion, six hundred fifty-seven million, five hundred three thousand, four hundred seventy-two".