319740708613 has 2 divisors, whose sum is σ = 319740708614. Its totient is φ = 319740708612.

The previous prime is 319740708607. The next prime is 319740708667. The reversal of 319740708613 is 316807047913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308338099524 + 11402609089 = 555282^2 + 106783^2 .

It is a cyclic number.

It is not a de Polignac number, because 319740708613 - 2¹³ = 319740700421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319740702613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159870354306 + 159870354307.

It is an arithmetic number, because the mean of its divisors is an integer number (159870354307).

Almost surely, 2^319740708613 is an apocalyptic number.

It is an amenable number.

319740708613 is a deficient number, since it is larger than the sum of its proper divisors (1).

319740708613 is an equidigital number, since it uses as much as digits as its factorization.

319740708613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 319740708613 in words is "three hundred nineteen billion, seven hundred forty million, seven hundred eight thousand, six hundred thirteen".