319536630373 has 2 divisors, whose sum is σ = 319536630374. Its totient is φ = 319536630372.

The previous prime is 319536630319. The next prime is 319536630377. The reversal of 319536630373 is 373036635913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282617697924 + 36918932449 = 531618^2 + 192143^2 .

It is an emirp because it is prime and its reverse (373036635913) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319536630373 is a prime.

It is a super-2 number, since 2×319536630373² (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 (319536630377) 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, 159768315186 + 159768315187.

It is an arithmetic number, because the mean of its divisors is an integer number (159768315187).

Almost surely, 2^319536630373 is an apocalyptic number.

It is an amenable number.

319536630373 is a deficient number, since it is larger than the sum of its proper divisors (1).

319536630373 is an equidigital number, since it uses as much as digits as its factorization.

319536630373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2755620, while the sum is 49.

The spelling of 319536630373 in words is "three hundred nineteen billion, five hundred thirty-six million, six hundred thirty thousand, three hundred seventy-three".