319624342813 has 2 divisors, whose sum is σ = 319624342814. Its totient is φ = 319624342812.

The previous prime is 319624342783. The next prime is 319624342823. The reversal of 319624342813 is 318243426913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307400386969 + 12223955844 = 554437^2 + 110562^2 .

It is a cyclic number.

It is not a de Polignac number, because 319624342813 - 2²¹ = 319622245661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319624342823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159812171406 + 159812171407.

It is an arithmetic number, because the mean of its divisors is an integer number (159812171407).

Almost surely, 2^319624342813 is an apocalyptic number.

It is an amenable number.

319624342813 is a deficient number, since it is larger than the sum of its proper divisors (1).

319624342813 is an equidigital number, since it uses as much as digits as its factorization.

319624342813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 46.

The spelling of 319624342813 in words is "three hundred nineteen billion, six hundred twenty-four million, three hundred forty-two thousand, eight hundred thirteen".