317885414449 has 2 divisors, whose sum is σ = 317885414450. Its totient is φ = 317885414448.

The previous prime is 317885414383. The next prime is 317885414461. The reversal of 317885414449 is 944414588713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306279230625 + 11606183824 = 553425^2 + 107732^2 .

It is a cyclic number.

It is not a de Polignac number, because 317885414449 - 2⁷ = 317885414321 is a prime.

It is a super-2 number, since 2×317885414449² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 317885414393 and 317885414402.

It is not a weakly prime, because it can be changed into another prime (317885414549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158942707224 + 158942707225.

It is an arithmetic number, because the mean of its divisors is an integer number (158942707225).

Almost surely, 2^317885414449 is an apocalyptic number.

It is an amenable number.

317885414449 is a deficient number, since it is larger than the sum of its proper divisors (1).

317885414449 is an equidigital number, since it uses as much as digits as its factorization.

317885414449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15482880, while the sum is 58.

The spelling of 317885414449 in words is "three hundred seventeen billion, eight hundred eighty-five million, four hundred fourteen thousand, four hundred forty-nine".