5679919639 has 2 divisors, whose sum is σ = 5679919640. Its totient is φ = 5679919638.

The previous prime is 5679919633. The next prime is 5679919673. The reversal of 5679919639 is 9369199765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5679919639 - 2²⁷ = 5545701911 is a prime.

It is a super-2 number, since 2×5679919639² = 64522974210995780642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5679919633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2839959819 + 2839959820.

It is an arithmetic number, because the mean of its divisors is an integer number (2839959820).

Almost surely, 2^5679919639 is an apocalyptic number.

5679919639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5679919639 is an equidigital number, since it uses as much as digits as its factorization.

5679919639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24800580, while the sum is 64.

The square root of 5679919639 is about 75365.2415839026. The cubic root of 5679919639 is about 1784.2158664122.

The spelling of 5679919639 in words is "five billion, six hundred seventy-nine million, nine hundred nineteen thousand, six hundred thirty-nine".