3656674645 has 16 divisors (see below), whose sum is σ = 4736350080. Its totient is φ = 2694141504.

The previous prime is 3656674639. The next prime is 3656674649. The reversal of 3656674645 is 5464766563.

3656674645 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 3656674645 - 2⁵ = 3656674613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3656674592 and 3656674601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656674649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35539 + ... + 92608.

It is an arithmetic number, because the mean of its divisors is an integer number (296021880).

Almost surely, 2^3656674645 is an apocalyptic number.

It is an amenable number.

3656674645 is a deficient number, since it is larger than the sum of its proper divisors (1079675435).

3656674645 is a wasteful number, since it uses less digits than its factorization.

3656674645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128604.

The product of its digits is 10886400, while the sum is 52.

The square root of 3656674645 is about 60470.4443922814. Note that the first 3 decimals coincide. The cubic root of 3656674645 is about 1540.6196759838.

The spelling of 3656674645 in words is "three billion, six hundred fifty-six million, six hundred seventy-four thousand, six hundred forty-five".