5679561839 has 4 divisors (see below), whose sum is σ = 6490927824. Its totient is φ = 4868195856.

The previous prime is 5679561829. The next prime is 5679561889. The reversal of 5679561839 is 9381659765.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5679561839 - 2¹² = 5679557743 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 (5679561829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405682982 + ... + 405682995.

It is an arithmetic number, because the mean of its divisors is an integer number (1622731956).

Almost surely, 2^5679561839 is an apocalyptic number.

5679561839 is a deficient number, since it is larger than the sum of its proper divisors (811365985).

5679561839 is an equidigital number, since it uses as much as digits as its factorization.

5679561839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811365984.

The product of its digits is 12247200, while the sum is 59.

The square root of 5679561839 is about 75362.8677731945. The cubic root of 5679561839 is about 1784.1784007505.

The spelling of 5679561839 in words is "five billion, six hundred seventy-nine million, five hundred sixty-one thousand, eight hundred thirty-nine".