13004256351673 has 2 divisors, whose sum is σ = 13004256351674. Its totient is φ = 13004256351672.

The previous prime is 13004256351659. The next prime is 13004256351739. The reversal of 13004256351673 is 37615365240031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12519517353849 + 484738997824 = 3538293^2 + 696232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13004256351673 is a prime.

It is a super-2 number, since 2×13004256351673² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13004256351773) 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, 6502128175836 + 6502128175837.

It is an arithmetic number, because the mean of its divisors is an integer number (6502128175837).

Almost surely, 2^{13004256351673} is an apocalyptic number.

It is an amenable number.

13004256351673 is a deficient number, since it is larger than the sum of its proper divisors (1).

13004256351673 is an equidigital number, since it uses as much as digits as its factorization.

13004256351673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 13004256351673 in words is "thirteen trillion, four billion, two hundred fifty-six million, three hundred fifty-one thousand, six hundred seventy-three".