3686928497664 has 88 divisors (see below), whose sum is σ = 10144009179648. Its totient is φ = 1189331742720.

The previous prime is 3686928497563. The next prime is 3686928497699. The reversal of 3686928497664 is 4667948296863.

It is a self number, because there is not a number n which added to its sum of digits gives 3686928497664.

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, 19262382 + ... + 19452845.

Almost surely, 2^{3686928497664} is an apocalyptic number.

It is an amenable number.

3686928497664 is an abundant number, since it is smaller than the sum of its proper divisors (6457080681984).

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

3686928497664 is a wasteful number, since it uses less digits than its factorization.

3686928497664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38715281 (or 38715263 counting only the distinct ones).

The product of its digits is 4514807808, while the sum is 78.

The spelling of 3686928497664 in words is "three trillion, six hundred eighty-six billion, nine hundred twenty-eight million, four hundred ninety-seven thousand, six hundred sixty-four".