318670205719 has 2 divisors, whose sum is σ = 318670205720. Its totient is φ = 318670205718.

The previous prime is 318670205683. The next prime is 318670205743. The reversal of 318670205719 is 917502076813.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 318670205719 - 2¹¹ = 318670203671 is a prime.

It is a super-2 number, since 2×318670205719² (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 (318670205419) 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, 159335102859 + 159335102860.

It is an arithmetic number, because the mean of its divisors is an integer number (159335102860).

Almost surely, 2^318670205719 is an apocalyptic number.

318670205719 is a deficient number, since it is larger than the sum of its proper divisors (1).

318670205719 is an equidigital number, since it uses as much as digits as its factorization.

318670205719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 318670205719 in words is "three hundred eighteen billion, six hundred seventy million, two hundred five thousand, seven hundred nineteen".