3638709594 has 96 divisors (see below), whose sum is σ = 8922260160. Its totient is φ = 1098332352.

The previous prime is 3638709587. The next prime is 3638709617. The reversal of 3638709594 is 4959078363.

3638709594 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 3638709594.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 479917 + ... + 487439.

It is an arithmetic number, because the mean of its divisors is an integer number (92940210).

Almost surely, 2^3638709594 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3638709594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4461130080).

3638709594 is an abundant number, since it is smaller than the sum of its proper divisors (5283550566).

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

3638709594 is a wasteful number, since it uses less digits than its factorization.

3638709594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613 (or 7594 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The square root of 3638709594 is about 60321.7174324472. The cubic root of 3638709594 is about 1538.0925382984.

The spelling of 3638709594 in words is "three billion, six hundred thirty-eight million, seven hundred nine thousand, five hundred ninety-four".