1317407276279 has 2 divisors, whose sum is σ = 1317407276280. Its totient is φ = 1317407276278.

The previous prime is 1317407276261. The next prime is 1317407276287. The reversal of 1317407276279 is 9726727047131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1317407276279 - 2⁸ = 1317407276023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317407276239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658703638139 + 658703638140.

It is an arithmetic number, because the mean of its divisors is an integer number (658703638140).

Almost surely, 2^{1317407276279} is an apocalyptic number.

1317407276279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317407276279 is an equidigital number, since it uses as much as digits as its factorization.

1317407276279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6223392, while the sum is 56.

The spelling of 1317407276279 in words is "one trillion, three hundred seventeen billion, four hundred seven million, two hundred seventy-six thousand, two hundred seventy-nine".