317685540496 has 15 divisors (see below), whose sum is σ = 615520102921. Its totient is φ = 158841642976.

The previous prime is 317685540479. The next prime is 317685540551. The reversal of 317685540496 is 694045586713.

The square root of 317685540496 is 563636.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 197637150096 + 120048390400 = 444564^2 + 346480^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 317685540496.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2184090 + ... + 2324998.

Almost surely, 2^317685540496 is an apocalyptic number.

317685540496 is the 563636-th square number.

It is an amenable number.

317685540496 is a deficient number, since it is larger than the sum of its proper divisors (297834562425).

317685540496 is an frugal number, since it uses more digits than its factorization.

317685540496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281826 (or 140911 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 317685540496 in words is "three hundred seventeen billion, six hundred eighty-five million, five hundred forty thousand, four hundred ninety-six".