65313596779 has 2 divisors, whose sum is σ = 65313596780. Its totient is φ = 65313596778.

The previous prime is 65313596773. The next prime is 65313596917. The reversal of 65313596779 is 97769531356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65313596779 - 2¹⁵ = 65313564011 is a prime.

It is not a weakly prime, because it can be changed into another prime (65313596773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32656798389 + 32656798390.

It is an arithmetic number, because the mean of its divisors is an integer number (32656798390).

Almost surely, 2^65313596779 is an apocalyptic number.

65313596779 is a deficient number, since it is larger than the sum of its proper divisors (1).

65313596779 is an equidigital number, since it uses as much as digits as its factorization.

65313596779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32148900, while the sum is 61.

The spelling of 65313596779 in words is "sixty-five billion, three hundred thirteen million, five hundred ninety-six thousand, seven hundred seventy-nine".