3656513630 has 32 divisors (see below), whose sum is σ = 8205788160. Its totient is φ = 1139692320.

The previous prime is 3656513617. The next prime is 3656513659. The reversal of 3656513630 is 363156563.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2373590 + ... + 2375129.

It is an arithmetic number, because the mean of its divisors is an integer number (256430880).

Almost surely, 2^3656513630 is an apocalyptic number.

3656513630 is an abundant number, since it is smaller than the sum of its proper divisors (4549274530).

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

3656513630 is a wasteful number, since it uses less digits than its factorization.

3656513630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748744.

The product of its (nonzero) digits is 145800, while the sum is 38.

The square root of 3656513630 is about 60469.1130247501. The cubic root of 3656513630 is about 1540.5970628592.

The spelling of 3656513630 in words is "three billion, six hundred fifty-six million, five hundred thirteen thousand, six hundred thirty".