636325764713 has 2 divisors, whose sum is σ = 636325764714. Its totient is φ = 636325764712.

The previous prime is 636325764689. The next prime is 636325764719. The reversal of 636325764713 is 317467523636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 536097802969 + 100227961744 = 732187^2 + 316588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-636325764713 is a prime.

It is not a weakly prime, because it can be changed into another prime (636325764719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318162882356 + 318162882357.

It is an arithmetic number, because the mean of its divisors is an integer number (318162882357).

Almost surely, 2^636325764713 is an apocalyptic number.

It is an amenable number.

636325764713 is a deficient number, since it is larger than the sum of its proper divisors (1).

636325764713 is an equidigital number, since it uses as much as digits as its factorization.

636325764713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11430720, while the sum is 53.

The spelling of 636325764713 in words is "six hundred thirty-six billion, three hundred twenty-five million, seven hundred sixty-four thousand, seven hundred thirteen".