454591184681 has 2 divisors, whose sum is σ = 454591184682. Its totient is φ = 454591184680.

The previous prime is 454591184557. The next prime is 454591184741. The reversal of 454591184681 is 186481195454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279929879056 + 174661305625 = 529084^2 + 417925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454591184681 is a prime.

It is a super-2 number, since 2×454591184681² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (454591186681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227295592340 + 227295592341.

It is an arithmetic number, because the mean of its divisors is an integer number (227295592341).

Almost surely, 2^454591184681 is an apocalyptic number.

It is an amenable number.

454591184681 is a deficient number, since it is larger than the sum of its proper divisors (1).

454591184681 is an equidigital number, since it uses as much as digits as its factorization.

454591184681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5529600, while the sum is 56.

The spelling of 454591184681 in words is "four hundred fifty-four billion, five hundred ninety-one million, one hundred eighty-four thousand, six hundred eighty-one".