13656952408 has 32 divisors (see below), whose sum is σ = 28138602960. Its totient is φ = 6162388480.

The previous prime is 13656952327. The next prime is 13656952417. The reversal of 13656952408 is 80425965631.

It is a congruent number.

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, 554341 + ... + 578452.

Almost surely, 2^13656952408 is an apocalyptic number.

It is an amenable number.

13656952408 is an abundant number, since it is smaller than the sum of its proper divisors (14481650552).

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

13656952408 is a wasteful number, since it uses less digits than its factorization.

13656952408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132947 (or 1132943 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 13656952408 in words is "thirteen billion, six hundred fifty-six million, nine hundred fifty-two thousand, four hundred eight".