3656012634 has 12 divisors (see below), whose sum is σ = 7921360746. Its totient is φ = 1218670872.

The previous prime is 3656012617. The next prime is 3656012719. The reversal of 3656012634 is 4362106563.

3656012634 is a `hidden beast` number, since 3 + 6 + 5 + 6 + 0 + 12 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3510207009 + 145805625 = 59247^2 + 12075^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101555889 + ... + 101555924.

Almost surely, 2^3656012634 is an apocalyptic number.

3656012634 is an abundant number, since it is smaller than the sum of its proper divisors (4265348112).

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

3656012634 is a wasteful number, since it uses less digits than its factorization.

3656012634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203111821 (or 203111818 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 3656012634 is about 60464.9703051279. The cubic root of 3656012634 is about 1540.5266981806.

It can be divided in two parts, 36560 and 12634, that added together give a palindrome (49194).

The spelling of 3656012634 in words is "three billion, six hundred fifty-six million, twelve thousand, six hundred thirty-four".