2320972817 has 2 divisors, whose sum is σ = 2320972818. Its totient is φ = 2320972816.

The previous prime is 2320972807. The next prime is 2320972897. The reversal of 2320972817 is 7182790232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1914587536 + 406385281 = 43756^2 + 20159^2 .

It is a cyclic number.

It is not a de Polignac number, because 2320972817 - 2²⁴ = 2304195601 is a prime.

It is not a weakly prime, because it can be changed into another prime (2320972807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160486408 + 1160486409.

It is an arithmetic number, because the mean of its divisors is an integer number (1160486409).

Almost surely, 2^2320972817 is an apocalyptic number.

It is an amenable number.

2320972817 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320972817 is an equidigital number, since it uses as much as digits as its factorization.

2320972817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 2320972817 is about 48176.4757635923. The cubic root of 2320972817 is about 1324.0061976219.

The spelling of 2320972817 in words is "two billion, three hundred twenty million, nine hundred seventy-two thousand, eight hundred seventeen".