2311657679 has 2 divisors, whose sum is σ = 2311657680. Its totient is φ = 2311657678.

The previous prime is 2311657627. The next prime is 2311657763. The reversal of 2311657679 is 9767561132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311657679 is a prime.

It is a super-2 number, since 2×2311657679² = 10687522449759334082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311657079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155828839 + 1155828840.

It is an arithmetic number, because the mean of its divisors is an integer number (1155828840).

Almost surely, 2^2311657679 is an apocalyptic number.

2311657679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311657679 is an equidigital number, since it uses as much as digits as its factorization.

2311657679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 47.

The square root of 2311657679 is about 48079.7013197878. The cubic root of 2311657679 is about 1322.2325394689.

The spelling of 2311657679 in words is "two billion, three hundred eleven million, six hundred fifty-seven thousand, six hundred seventy-nine".