317964869 has 2 divisors, whose sum is σ = 317964870. Its totient is φ = 317964868.

The previous prime is 317964853. The next prime is 317964887. The reversal of 317964869 is 968469713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252969025 + 64995844 = 15905^2 + 8062^2 .

It is a cyclic number.

It is not a de Polignac number, because 317964869 - 2⁴ = 317964853 is a prime.

It is a super-2 number, since 2×317964869² = 202203315836374322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 317964869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317964169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158982434 + 158982435.

It is an arithmetic number, because the mean of its divisors is an integer number (158982435).

Almost surely, 2^317964869 is an apocalyptic number.

It is an amenable number.

317964869 is a deficient number, since it is larger than the sum of its proper divisors (1).

317964869 is an equidigital number, since it uses as much as digits as its factorization.

317964869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 53.

The square root of 317964869 is about 17831.5694485931. The cubic root of 317964869 is about 682.5372834047.

The spelling of 317964869 in words is "three hundred seventeen million, nine hundred sixty-four thousand, eight hundred sixty-nine".