317629469 has 2 divisors, whose sum is σ = 317629470. Its totient is φ = 317629468.

The previous prime is 317629457. The next prime is 317629537. The reversal of 317629469 is 964926713.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208426969 + 109202500 = 14437^2 + 10450^2 .

It is an emirp because it is prime and its reverse (964926713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317629469 - 2²⁰ = 316580893 is a prime.

It is a super-2 number, since 2×317629469² = 201776959154443922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317629969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158814734 + 158814735.

It is an arithmetic number, because the mean of its divisors is an integer number (158814735).

Almost surely, 2^317629469 is an apocalyptic number.

It is an amenable number.

317629469 is a deficient number, since it is larger than the sum of its proper divisors (1).

317629469 is an equidigital number, since it uses as much as digits as its factorization.

317629469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 47.

The square root of 317629469 is about 17822.1622986662. The cubic root of 317629469 is about 682.2972112392.

The spelling of 317629469 in words is "three hundred seventeen million, six hundred twenty-nine thousand, four hundred sixty-nine".