317630434449 has 8 divisors (see below), whose sum is σ = 424089789760. Its totient is φ = 211462351056.

The previous prime is 317630434439. The next prime is 317630434463. The reversal of 317630434449 is 944434036713.

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

It is not a de Polignac number, because 317630434449 - 2¹⁵ = 317630401681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 317630434398 and 317630434407.

It is not an unprimeable number, because it can be changed into a prime (317630434409) 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, 72815434 + ... + 72819795.

It is an arithmetic number, because the mean of its divisors is an integer number (53011223720).

Almost surely, 2^317630434449 is an apocalyptic number.

It is an amenable number.

317630434449 is a deficient number, since it is larger than the sum of its proper divisors (106459355311).

317630434449 is a wasteful number, since it uses less digits than its factorization.

317630434449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145635959.

The product of its (nonzero) digits is 2612736, while the sum is 48.

The spelling of 317630434449 in words is "three hundred seventeen billion, six hundred thirty million, four hundred thirty-four thousand, four hundred forty-nine".