3659868018 has 48 divisors (see below), whose sum is σ = 8474712480. Its totient is φ = 1137452928.

The previous prime is 3659868013. The next prime is 3659868019. The reversal of 3659868018 is 8108689563.

3659868018 is a `hidden beast` number, since 36 + 598 + 6 + 8 + 0 + 18 = 666.

3659868018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3659868013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23148 + ... + 88631.

It is an arithmetic number, because the mean of its divisors is an integer number (176556510).

Almost surely, 2^3659868018 is an apocalyptic number.

3659868018 is an abundant number, since it is smaller than the sum of its proper divisors (4814844462).

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

3659868018 is a wasteful number, since it uses less digits than its factorization.

3659868018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111911 (or 111908 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 3659868018 is about 60496.8430416001. The cubic root of 3659868018 is about 1541.0680197481.

The spelling of 3659868018 in words is "three billion, six hundred fifty-nine million, eight hundred sixty-eight thousand, eighteen".