319625567713 has 2 divisors, whose sum is σ = 319625567714. Its totient is φ = 319625567712.

The previous prime is 319625567633. The next prime is 319625567731. The reversal of 319625567713 is 317765526913.

Together with next prime (319625567731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261031071744 + 58594495969 = 510912^2 + 242063^2 .

It is a cyclic number.

It is not a de Polignac number, because 319625567713 - 2³⁷ = 182186614241 is a prime.

It is not a weakly prime, because it can be changed into another prime (319625567753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159812783856 + 159812783857.

It is an arithmetic number, because the mean of its divisors is an integer number (159812783857).

Almost surely, 2^319625567713 is an apocalyptic number.

It is an amenable number.

319625567713 is a deficient number, since it is larger than the sum of its proper divisors (1).

319625567713 is an equidigital number, since it uses as much as digits as its factorization.

319625567713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7144200, while the sum is 55.

The spelling of 319625567713 in words is "three hundred nineteen billion, six hundred twenty-five million, five hundred sixty-seven thousand, seven hundred thirteen".