453991136761 has 2 divisors, whose sum is σ = 453991136762. Its totient is φ = 453991136760.

The previous prime is 453991136747. The next prime is 453991136791. The reversal of 453991136761 is 167631199354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248198258025 + 205792878736 = 498195^2 + 453644^2 .

It is a cyclic number.

It is not a de Polignac number, because 453991136761 - 2¹¹ = 453991134713 is a prime.

It is a super-2 number, since 2×453991136761² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (453991136791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226995568380 + 226995568381.

It is an arithmetic number, because the mean of its divisors is an integer number (226995568381).

Almost surely, 2^453991136761 is an apocalyptic number.

It is an amenable number.

453991136761 is a deficient number, since it is larger than the sum of its proper divisors (1).

453991136761 is an equidigital number, since it uses as much as digits as its factorization.

453991136761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 55.

The spelling of 453991136761 in words is "four hundred fifty-three billion, nine hundred ninety-one million, one hundred thirty-six thousand, seven hundred sixty-one".