3639123368 has 16 divisors (see below), whose sum is σ = 6982039680. Its totient is φ = 1777246128.

The previous prime is 3639123347. The next prime is 3639123391. The reversal of 3639123368 is 8633219363.

3639123368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5289080 + ... + 5289767.

It is an arithmetic number, because the mean of its divisors is an integer number (436377480).

Almost surely, 2^3639123368 is an apocalyptic number.

It is an amenable number.

3639123368 is a deficient number, since it is larger than the sum of its proper divisors (3342916312).

3639123368 is a wasteful number, since it uses less digits than its factorization.

3639123368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10578896 (or 10578892 counting only the distinct ones).

The product of its digits is 419904, while the sum is 44.

The square root of 3639123368 is about 60325.1470615696. The cubic root of 3639123368 is about 1538.1508372240.

The spelling of 3639123368 in words is "three billion, six hundred thirty-nine million, one hundred twenty-three thousand, three hundred sixty-eight".