3656232613 has 16 divisors (see below), whose sum is σ = 4073063616. Its totient is φ = 3253760640.

The previous prime is 3656232599. The next prime is 3656232617. The reversal of 3656232613 is 3162326563.

3656232613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3656232613 - 2⁵ = 3656232581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656232617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259570 + ... + 273292.

It is an arithmetic number, because the mean of its divisors is an integer number (254566476).

Almost surely, 2^3656232613 is an apocalyptic number.

It is an amenable number.

3656232613 is a deficient number, since it is larger than the sum of its proper divisors (416831003).

3656232613 is a wasteful number, since it uses less digits than its factorization.

3656232613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14244.

The product of its digits is 116640, while the sum is 37.

The square root of 3656232613 is about 60466.7893392728. The cubic root of 3656232613 is about 1540.5575949307.

The spelling of 3656232613 in words is "three billion, six hundred fifty-six million, two hundred thirty-two thousand, six hundred thirteen".