319653318619 has 2 divisors, whose sum is σ = 319653318620. Its totient is φ = 319653318618.

The previous prime is 319653318599. The next prime is 319653318629. The reversal of 319653318619 is 916813356913.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 319653318619 - 2¹⁷ = 319653187547 is a prime.

It is a super-2 number, since 2×319653318619² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 319653318619.

It is not a weakly prime, because it can be changed into another prime (319653318629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159826659309 + 159826659310.

It is an arithmetic number, because the mean of its divisors is an integer number (159826659310).

Almost surely, 2^319653318619 is an apocalyptic number.

319653318619 is a deficient number, since it is larger than the sum of its proper divisors (1).

319653318619 is an equidigital number, since it uses as much as digits as its factorization.

319653318619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3149280, while the sum is 55.

The spelling of 319653318619 in words is "three hundred nineteen billion, six hundred fifty-three million, three hundred eighteen thousand, six hundred nineteen".