1296498770513 has 2 divisors, whose sum is σ = 1296498770514. Its totient is φ = 1296498770512.

The previous prime is 1296498770477. The next prime is 1296498770533. The reversal of 1296498770513 is 3150778946921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 832972004929 + 463526765584 = 912673^2 + 680828^2 .

It is a cyclic number.

It is not a de Polignac number, because 1296498770513 - 2²⁴ = 1296481993297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1296498770533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648249385256 + 648249385257.

It is an arithmetic number, because the mean of its divisors is an integer number (648249385257).

It is a 1-persistent number, because it is pandigital, but 2⋅1296498770513 = 2592997541026 is not.

Almost surely, 2^{1296498770513} is an apocalyptic number.

It is an amenable number.

1296498770513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1296498770513 is an equidigital number, since it uses as much as digits as its factorization.

1296498770513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 1296498770513 in words is "one trillion, two hundred ninety-six billion, four hundred ninety-eight million, seven hundred seventy thousand, five hundred thirteen".