8298317262457 has 2 divisors, whose sum is σ = 8298317262458. Its totient is φ = 8298317262456.

The previous prime is 8298317262371. The next prime is 8298317262481. The reversal of 8298317262457 is 7542627138928.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8244082305001 + 54234957456 = 2871251^2 + 232884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8298317262457 is a prime.

It is not a weakly prime, because it can be changed into another prime (8298317265457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4149158631228 + 4149158631229.

It is an arithmetic number, because the mean of its divisors is an integer number (4149158631229).

Almost surely, 2^{8298317262457} is an apocalyptic number.

It is an amenable number.

8298317262457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8298317262457 is an equidigital number, since it uses as much as digits as its factorization.

8298317262457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81285120, while the sum is 64.

The spelling of 8298317262457 in words is "eight trillion, two hundred ninety-eight billion, three hundred seventeen million, two hundred sixty-two thousand, four hundred fifty-seven".