1312369866979 has 2 divisors, whose sum is σ = 1312369866980. Its totient is φ = 1312369866978.

The previous prime is 1312369866967. The next prime is 1312369866989. The reversal of 1312369866979 is 9796689632131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312369866979 - 2²¹ = 1312367769827 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312369866949) 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, 656184933489 + 656184933490.

It is an arithmetic number, because the mean of its divisors is an integer number (656184933490).

Almost surely, 2^{1312369866979} is an apocalyptic number.

1312369866979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312369866979 is an equidigital number, since it uses as much as digits as its factorization.

1312369866979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158723712, while the sum is 70.

The spelling of 1312369866979 in words is "one trillion, three hundred twelve billion, three hundred sixty-nine million, eight hundred sixty-six thousand, nine hundred seventy-nine".