1296502960817 has 2 divisors, whose sum is σ = 1296502960818. Its totient is φ = 1296502960816.

The previous prime is 1296502960811. The next prime is 1296502960849. The reversal of 1296502960817 is 7180692056921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 993369029041 + 303133931776 = 996679^2 + 550576^2 .

It is a cyclic number.

It is not a de Polignac number, because 1296502960817 - 2³⁸ = 1021625053873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1296502960811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648251480408 + 648251480409.

It is an arithmetic number, because the mean of its divisors is an integer number (648251480409).

Almost surely, 2^{1296502960817} is an apocalyptic number.

It is an amenable number.

1296502960817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1296502960817 is an equidigital number, since it uses as much as digits as its factorization.

1296502960817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 1296502960817 in words is "one trillion, two hundred ninety-six billion, five hundred two million, nine hundred sixty thousand, eight hundred seventeen".