3655988036 has 12 divisors (see below), whose sum is σ = 6438731628. Its totient is φ = 1816350432.

The previous prime is 3655988029. The next prime is 3655988087. The reversal of 3655988036 is 6308895563.

It can be written as a sum of positive squares in 2 ways, for example, as 2214267136 + 1441720900 = 47056^2 + 37970^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2910191 + ... + 2911446.

It is an arithmetic number, because the mean of its divisors is an integer number (536560969).

Almost surely, 2^3655988036 is an apocalyptic number.

It is an amenable number.

3655988036 is a deficient number, since it is larger than the sum of its proper divisors (2782743592).

3655988036 is a wasteful number, since it uses less digits than its factorization.

3655988036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5821798 (or 5821796 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 53.

The square root of 3655988036 is about 60464.7668977563. The cubic root of 3655988036 is about 1540.5232432362.

The spelling of 3655988036 in words is "three billion, six hundred fifty-five million, nine hundred eighty-eight thousand, thirty-six".