764518254013 has 2 divisors, whose sum is σ = 764518254014. Its totient is φ = 764518254012.

The previous prime is 764518253999. The next prime is 764518254079. The reversal of 764518254013 is 310452815467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 676938954169 + 87579299844 = 822763^2 + 295938^2 .

It is a cyclic number.

It is not a de Polignac number, because 764518254013 - 2³⁷ = 627079300541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (764518204013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382259127006 + 382259127007.

It is an arithmetic number, because the mean of its divisors is an integer number (382259127007).

Almost surely, 2^764518254013 is an apocalyptic number.

It is an amenable number.

764518254013 is a deficient number, since it is larger than the sum of its proper divisors (1).

764518254013 is an equidigital number, since it uses as much as digits as its factorization.

764518254013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 764518254013 in words is "seven hundred sixty-four billion, five hundred eighteen million, two hundred fifty-four thousand, thirteen".