3656573952 has 44 divisors (see below), whose sum is σ = 9746110896. Its totient is φ = 1218856960.

The previous prime is 3656573941. The next prime is 3656573981. The reversal of 3656573952 is 2593756563.

It is a junction number, because it is equal to n+sod(n) for n = 3656573895 and 3656573904.

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, 592074 + ... + 598217.

Almost surely, 2^3656573952 is an apocalyptic number.

3656573952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3656573952 is an abundant number, since it is smaller than the sum of its proper divisors (6089536944).

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

3656573952 is a wasteful number, since it uses less digits than its factorization.

3656573952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190314 (or 1190296 counting only the distinct ones).

The product of its digits is 5103000, while the sum is 51.

The square root of 3656573952 is about 60469.6118062618. The cubic root of 3656573952 is about 1540.6055346254.

The spelling of 3656573952 in words is "three billion, six hundred fifty-six million, five hundred seventy-three thousand, nine hundred fifty-two".