317928712749 has 16 divisors (see below), whose sum is σ = 426502027392. Its totient is φ = 210654286848.

The previous prime is 317928712741. The next prime is 317928712807. The reversal of 317928712749 is 947217829713.

It is not a de Polignac number, because 317928712749 - 2³ = 317928712741 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 317928712692 and 317928712701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317928712741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3964797 + ... + 4044189.

It is an arithmetic number, because the mean of its divisors is an integer number (26656376712).

Almost surely, 2^317928712749 is an apocalyptic number.

It is an amenable number.

317928712749 is a deficient number, since it is larger than the sum of its proper divisors (108573314643).

317928712749 is a wasteful number, since it uses less digits than its factorization.

317928712749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87556.

The product of its digits is 10668672, while the sum is 60.

The spelling of 317928712749 in words is "three hundred seventeen billion, nine hundred twenty-eight million, seven hundred twelve thousand, seven hundred forty-nine".