317645919361 has 8 divisors (see below), whose sum is σ = 320378535144. Its totient is φ = 314919304320.

The previous prime is 317645919287. The next prime is 317645919389. The reversal of 317645919361 is 163919546713.

It can be written as a sum of positive squares in 4 ways, for example, as 77698775025 + 239947144336 = 278745^2 + 489844^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 317645919361 - 2³⁷ = 180206965889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317645919061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393830 + ... + 1605631.

It is an arithmetic number, because the mean of its divisors is an integer number (40047316893).

Almost surely, 2^317645919361 is an apocalyptic number.

It is an amenable number.

317645919361 is a deficient number, since it is larger than the sum of its proper divisors (2732615783).

317645919361 is a wasteful number, since it uses less digits than its factorization.

317645919361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000371.

The product of its digits is 3674160, while the sum is 55.

The spelling of 317645919361 in words is "three hundred seventeen billion, six hundred forty-five million, nine hundred nineteen thousand, three hundred sixty-one".