2456972317 has 4 divisors (see below), whose sum is σ = 2457073696. Its totient is φ = 2456870940.

The previous prime is 2456972291. The next prime is 2456972369. The reversal of 2456972317 is 7132796542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7132796542 = 2 ⋅3566398271.

It is a cyclic number.

It is not a de Polignac number, because 2456972317 - 2¹⁵ = 2456939549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2456972387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9442 + ... + 70732.

It is an arithmetic number, because the mean of its divisors is an integer number (614268424).

Almost surely, 2^2456972317 is an apocalyptic number.

It is an amenable number.

2456972317 is a deficient number, since it is larger than the sum of its proper divisors (101379).

2456972317 is an equidigital number, since it uses as much as digits as its factorization.

2456972317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101378.

The product of its digits is 635040, while the sum is 46.

The square root of 2456972317 is about 49567.8556828919. The cubic root of 2456972317 is about 1349.3773657364.

The spelling of 2456972317 in words is "two billion, four hundred fifty-six million, nine hundred seventy-two thousand, three hundred seventeen".