317984109719 has 2 divisors, whose sum is σ = 317984109720. Its totient is φ = 317984109718.

The previous prime is 317984109697. The next prime is 317984109767. The reversal of 317984109719 is 917901489713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317984109719 - 2⁸ = 317984109463 is a prime.

It is a super-2 number, since 2×317984109719² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317984109019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158992054859 + 158992054860.

It is an arithmetic number, because the mean of its divisors is an integer number (158992054860).

Almost surely, 2^317984109719 is an apocalyptic number.

317984109719 is a deficient number, since it is larger than the sum of its proper divisors (1).

317984109719 is an equidigital number, since it uses as much as digits as its factorization.

317984109719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 59.

The spelling of 317984109719 in words is "three hundred seventeen billion, nine hundred eighty-four million, one hundred nine thousand, seven hundred nineteen".