5188639694 has 24 divisors (see below), whose sum is σ = 9345705408. Its totient is φ = 2151969120.

The previous prime is 5188639693. The next prime is 5188639697. The reversal of 5188639694 is 4969368815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5188639693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 850919 + ... + 856994.

It is an arithmetic number, because the mean of its divisors is an integer number (389404392).

Almost surely, 2^5188639694 is an apocalyptic number.

5188639694 is a deficient number, since it is larger than the sum of its proper divisors (4157065714).

5188639694 is a wasteful number, since it uses less digits than its factorization.

5188639694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707960 (or 1707953 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 59.

The square root of 5188639694 is about 72032.2128911781. The cubic root of 5188639694 is about 1731.2156573116.

The spelling of 5188639694 in words is "five billion, one hundred eighty-eight million, six hundred thirty-nine thousand, six hundred ninety-four".