13000863360257 has 2 divisors, whose sum is σ = 13000863360258. Its totient is φ = 13000863360256.

The previous prime is 13000863360239. The next prime is 13000863360269. The reversal of 13000863360257 is 75206336800031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13000863360241 + 16 = 3605671^2 + 4^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13000863360257 is a prime.

It is a super-2 number, since 2×13000863360257² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13000863360217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500431680128 + 6500431680129.

It is an arithmetic number, because the mean of its divisors is an integer number (6500431680129).

Almost surely, 2^{13000863360257} is an apocalyptic number.

It is an amenable number.

13000863360257 is a deficient number, since it is larger than the sum of its proper divisors (1).

13000863360257 is an equidigital number, since it uses as much as digits as its factorization.

13000863360257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 13000863360257 in words is "thirteen trillion, eight hundred sixty-three million, three hundred sixty thousand, two hundred fifty-seven".