1313425644287 has 2 divisors, whose sum is σ = 1313425644288. Its totient is φ = 1313425644286.

The previous prime is 1313425644281. The next prime is 1313425644317. The reversal of 1313425644287 is 7824465243131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313425644287 - 2¹⁰ = 1313425643263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313425644281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656712822143 + 656712822144.

It is an arithmetic number, because the mean of its divisors is an integer number (656712822144).

Almost surely, 2^{1313425644287} is an apocalyptic number.

1313425644287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313425644287 is an equidigital number, since it uses as much as digits as its factorization.

1313425644287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 50.

The spelling of 1313425644287 in words is "one trillion, three hundred thirteen billion, four hundred twenty-five million, six hundred forty-four thousand, two hundred eighty-seven".