317808284449 has 2 divisors, whose sum is σ = 317808284450. Its totient is φ = 317808284448.

The previous prime is 317808284419. The next prime is 317808284461. The reversal of 317808284449 is 944482808713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316383750400 + 1424534049 = 562480^2 + 37743^2 .

It is a cyclic number.

It is not a de Polignac number, because 317808284449 - 2²¹ = 317806187297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 317808284393 and 317808284402.

It is not a weakly prime, because it can be changed into another prime (317808284419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158904142224 + 158904142225.

It is an arithmetic number, because the mean of its divisors is an integer number (158904142225).

Almost surely, 2^317808284449 is an apocalyptic number.

It is an amenable number.

317808284449 is a deficient number, since it is larger than the sum of its proper divisors (1).

317808284449 is an equidigital number, since it uses as much as digits as its factorization.

317808284449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12386304, while the sum is 58.

The spelling of 317808284449 in words is "three hundred seventeen billion, eight hundred eight million, two hundred eighty-four thousand, four hundred forty-nine".