3656456613 has 16 divisors (see below), whose sum is σ = 5472821760. Its totient is φ = 2412505728.

The previous prime is 3656456567. The next prime is 3656456621. The reversal of 3656456613 is 3166546563.

3656456613 is a `hidden beast` number, since 36 + 56 + 4 + 566 + 1 + 3 = 666.

It is not a de Polignac number, because 3656456613 - 2³⁰ = 2582714789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656456663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695445 + ... + 700682.

It is an arithmetic number, because the mean of its divisors is an integer number (342051360).

Almost surely, 2^3656456613 is an apocalyptic number.

It is an amenable number.

3656456613 is a deficient number, since it is larger than the sum of its proper divisors (1816365147).

3656456613 is a wasteful number, since it uses less digits than its factorization.

3656456613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396233 (or 1396227 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The square root of 3656456613 is about 60468.6415673446. The cubic root of 3656456613 is about 1540.5890551696.

The spelling of 3656456613 in words is "three billion, six hundred fifty-six million, four hundred fifty-six thousand, six hundred thirteen".