454317788493 has 8 divisors (see below), whose sum is σ = 673063390400. Its totient is φ = 302878525644.

The previous prime is 454317788459. The next prime is 454317788503. The reversal of 454317788493 is 394887713454.

454317788493 is a `hidden beast` number, since 4 + 54 + 3 + 17 + 7 + 88 + 493 = 666.

It is not a de Polignac number, because 454317788493 - 2⁹ = 454317787981 is a prime.

It is a super-2 number, since 2×454317788493² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 454317788493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454317788453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8413292353 + ... + 8413292406.

It is an arithmetic number, because the mean of its divisors is an integer number (84132923800).

Almost surely, 2^454317788493 is an apocalyptic number.

It is an amenable number.

454317788493 is a deficient number, since it is larger than the sum of its proper divisors (218745601907).

454317788493 is a wasteful number, since it uses less digits than its factorization.

454317788493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16826584768 (or 16826584762 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 454317788493 in words is "four hundred fifty-four billion, three hundred seventeen million, seven hundred eighty-eight thousand, four hundred ninety-three".