1312360868789 has 2 divisors, whose sum is σ = 1312360868790. Its totient is φ = 1312360868788.

The previous prime is 1312360868773. The next prime is 1312360868801. The reversal of 1312360868789 is 9878680632131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1060813481764 + 251547387025 = 1029958^2 + 501545^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312360868789 - 2⁴ = 1312360868773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312360868719) 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, 656180434394 + 656180434395.

It is an arithmetic number, because the mean of its divisors is an integer number (656180434395).

Almost surely, 2^{1312360868789} is an apocalyptic number.

It is an amenable number.

1312360868789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312360868789 is an equidigital number, since it uses as much as digits as its factorization.

1312360868789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 1312360868789 in words is "one trillion, three hundred twelve billion, three hundred sixty million, eight hundred sixty-eight thousand, seven hundred eighty-nine".