319090657535977 has 2 divisors, whose sum is σ = 319090657535978. Its totient is φ = 319090657535976.

The previous prime is 319090657535953. The next prime is 319090657536059. The reversal of 319090657535977 is 779535756090913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272380827713296 + 46709829822681 = 16503964^2 + 6834459^2 .

It is a cyclic number.

It is not a de Polignac number, because 319090657535977 - 2¹¹ = 319090657533929 is a prime.

It is not a weakly prime, because it can be changed into another prime (319090657535927) 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, 159545328767988 + 159545328767989.

It is an arithmetic number, because the mean of its divisors is an integer number (159545328767989).

Almost surely, 2^{319090657535977} is an apocalyptic number.

It is an amenable number.

319090657535977 is a deficient number, since it is larger than the sum of its proper divisors (1).

319090657535977 is an equidigital number, since it uses as much as digits as its factorization.

319090657535977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1687817250, while the sum is 76.

The spelling of 319090657535977 in words is "three hundred nineteen trillion, ninety billion, six hundred fifty-seven million, five hundred thirty-five thousand, nine hundred seventy-seven".