316999565189 has 2 divisors, whose sum is σ = 316999565190. Its totient is φ = 316999565188.

The previous prime is 316999565093. The next prime is 316999565243. The reversal of 316999565189 is 981565999613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291581640289 + 25417924900 = 539983^2 + 159430^2 .

It is a cyclic number.

It is not a de Polignac number, because 316999565189 - 2²⁸ = 316731129733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316999565789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158499782594 + 158499782595.

It is an arithmetic number, because the mean of its divisors is an integer number (158499782595).

Almost surely, 2^316999565189 is an apocalyptic number.

It is an amenable number.

316999565189 is a deficient number, since it is larger than the sum of its proper divisors (1).

316999565189 is an equidigital number, since it uses as much as digits as its factorization.

316999565189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141717600, while the sum is 71.

The spelling of 316999565189 in words is "three hundred sixteen billion, nine hundred ninety-nine million, five hundred sixty-five thousand, one hundred eighty-nine".