5681206679 has 2 divisors, whose sum is σ = 5681206680. Its totient is φ = 5681206678.

The previous prime is 5681206673. The next prime is 5681206703. The reversal of 5681206679 is 9766021865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5681206679 - 2¹⁶ = 5681141143 is a prime.

It is a super-2 number, since 2×5681206679² = 64552218659028418082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5681206673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840603339 + 2840603340.

It is an arithmetic number, because the mean of its divisors is an integer number (2840603340).

Almost surely, 2^5681206679 is an apocalyptic number.

5681206679 is a deficient number, since it is larger than the sum of its proper divisors (1).

5681206679 is an equidigital number, since it uses as much as digits as its factorization.

5681206679 is an odious number, because the sum of its binary digits is odd.

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

The square root of 5681206679 is about 75373.7797844847. The cubic root of 5681206679 is about 1784.3506208870.

The spelling of 5681206679 in words is "five billion, six hundred eighty-one million, two hundred six thousand, six hundred seventy-nine".