5118674639 has 32 divisors (see below), whose sum is σ = 5720883840. Its totient is φ = 4550515200.

The previous prime is 5118674621. The next prime is 5118674641. The reversal of 5118674639 is 9364768115.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5118674639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5118674669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12893189 + ... + 12893585.

It is an arithmetic number, because the mean of its divisors is an integer number (178777620).

Almost surely, 2^5118674639 is an apocalyptic number.

5118674639 is a deficient number, since it is larger than the sum of its proper divisors (602209201).

5118674639 is a wasteful number, since it uses less digits than its factorization.

5118674639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771.

The product of its digits is 1088640, while the sum is 50.

The square root of 5118674639 is about 71544.9134390419. The cubic root of 5118674639 is about 1723.3990202477.

The spelling of 5118674639 in words is "five billion, one hundred eighteen million, six hundred seventy-four thousand, six hundred thirty-nine".