5188637865 has 16 divisors (see below), whose sum is σ = 8569622016. Its totient is φ = 2678006400.

The previous prime is 5188637809. The next prime is 5188637879. The reversal of 5188637865 is 5687368815.

It is not a de Polignac number, because 5188637865 - 2¹³ = 5188629673 is a prime.

It is a super-2 number, since 2×5188637865² = 53843925788223516450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5578716 + ... + 5579645.

It is an arithmetic number, because the mean of its divisors is an integer number (535601376).

Almost surely, 2^5188637865 is an apocalyptic number.

It is an amenable number.

5188637865 is a deficient number, since it is larger than the sum of its proper divisors (3380984151).

5188637865 is a wasteful number, since it uses less digits than its factorization.

5188637865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11158400.

The product of its digits is 9676800, while the sum is 57.

The square root of 5188637865 is about 72032.2001954681. The cubic root of 5188637865 is about 1731.2154538932.

The spelling of 5188637865 in words is "five billion, one hundred eighty-eight million, six hundred thirty-seven thousand, eight hundred sixty-five".