316377645809 has 2 divisors, whose sum is σ = 316377645810. Its totient is φ = 316377645808.

The previous prime is 316377645719. The next prime is 316377645811. The reversal of 316377645809 is 908546773613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161948295184 + 154429350625 = 402428^2 + 392975^2 .

It is a cyclic number.

It is not a de Polignac number, because 316377645809 - 2²⁰ = 316376597233 is a prime.

Together with 316377645811, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (316377645889) 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, 158188822904 + 158188822905.

It is an arithmetic number, because the mean of its divisors is an integer number (158188822905).

Almost surely, 2^316377645809 is an apocalyptic number.

It is an amenable number.

316377645809 is a deficient number, since it is larger than the sum of its proper divisors (1).

316377645809 is an equidigital number, since it uses as much as digits as its factorization.

316377645809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22861440, while the sum is 59.

The spelling of 316377645809 in words is "three hundred sixteen billion, three hundred seventy-seven million, six hundred forty-five thousand, eight hundred nine".