5639238688 has 12 divisors (see below), whose sum is σ = 11102251230. Its totient is φ = 2819619328.

The previous prime is 5639238679. The next prime is 5639238697. The reversal of 5639238688 is 8868329365.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5639238679) and next prime (5639238697).

It can be written as a sum of positive squares in only one way, i.e., 5228446864 + 410791824 = 72308^2 + 20268^2 .

It is a super-2 number, since 2×5639238688² = 63602025960471922688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88113073 + ... + 88113136.

Almost surely, 2^5639238688 is an apocalyptic number.

It is an amenable number.

5639238688 is a deficient number, since it is larger than the sum of its proper divisors (5463012542).

5639238688 is a wasteful number, since it uses less digits than its factorization.

5639238688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176226219 (or 176226211 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 58.

The square root of 5639238688 is about 75094.8645913953. The cubic root of 5639238688 is about 1779.9459950791.

The spelling of 5639238688 in words is "five billion, six hundred thirty-nine million, two hundred thirty-eight thousand, six hundred eighty-eight".