5638871316 has 24 divisors (see below), whose sum is σ = 14169471904. Its totient is φ = 1735037280.

The previous prime is 5638871297. The next prime is 5638871317. The reversal of 5638871316 is 6131788365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5638871317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18073150 + ... + 18073461.

Almost surely, 2^5638871316 is an apocalyptic number.

It is an amenable number.

5638871316 is an abundant number, since it is smaller than the sum of its proper divisors (8530600588).

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

5638871316 is a wasteful number, since it uses less digits than its factorization.

5638871316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36146631 (or 36146629 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 5638871316 is about 75092.4184988072. The cubic root of 5638871316 is about 1779.9073423131.

The spelling of 5638871316 in words is "five billion, six hundred thirty-eight million, eight hundred seventy-one thousand, three hundred sixteen".