19317315359 has 2 divisors, whose sum is σ = 19317315360. Its totient is φ = 19317315358.

The previous prime is 19317315317. The next prime is 19317315383. The reversal of 19317315359 is 95351371391.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19317315359 - 2⁸ = 19317315103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19317315659) 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, 9658657679 + 9658657680.

It is an arithmetic number, because the mean of its divisors is an integer number (9658657680).

Almost surely, 2^19317315359 is an apocalyptic number.

19317315359 is a deficient number, since it is larger than the sum of its proper divisors (1).

19317315359 is an equidigital number, since it uses as much as digits as its factorization.

19317315359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 382725, while the sum is 47.

The spelling of 19317315359 in words is "nineteen billion, three hundred seventeen million, three hundred fifteen thousand, three hundred fifty-nine".