454647315817 has 2 divisors, whose sum is σ = 454647315818. Its totient is φ = 454647315816.

The previous prime is 454647315809. The next prime is 454647315847. The reversal of 454647315817 is 718513746454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 448295863401 + 6351452416 = 669549^2 + 79696^2 .

It is a cyclic number.

It is not a de Polignac number, because 454647315817 - 2³ = 454647315809 is a prime.

It is not a weakly prime, because it can be changed into another prime (454647315847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227323657908 + 227323657909.

It is an arithmetic number, because the mean of its divisors is an integer number (227323657909).

Almost surely, 2^454647315817 is an apocalyptic number.

It is an amenable number.

454647315817 is a deficient number, since it is larger than the sum of its proper divisors (1).

454647315817 is an equidigital number, since it uses as much as digits as its factorization.

454647315817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11289600, while the sum is 55.

The spelling of 454647315817 in words is "four hundred fifty-four billion, six hundred forty-seven million, three hundred fifteen thousand, eight hundred seventeen".