3656473900 has 36 divisors (see below), whose sum is σ = 8401290408. Its totient is φ = 1376554240.

The previous prime is 3656473889. The next prime is 3656473907. The reversal of 3656473900 is 93746563.

It is not an unprimeable number, because it can be changed into a prime (3656473907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1073734 + ... + 1077133.

It is an arithmetic number, because the mean of its divisors is an integer number (233369178).

Almost surely, 2^3656473900 is an apocalyptic number.

It is an amenable number.

3656473900 is an abundant number, since it is smaller than the sum of its proper divisors (4744816508).

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

3656473900 is a wasteful number, since it uses less digits than its factorization.

3656473900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150898 (or 2150891 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 43.

The square root of 3656473900 is about 60468.7845090341. The cubic root of 3656473900 is about 1540.5914830320.

The spelling of 3656473900 in words is "three billion, six hundred fifty-six million, four hundred seventy-three thousand, nine hundred".