455768937134491 has 2 divisors, whose sum is σ = 455768937134492. Its totient is φ = 455768937134490.

The previous prime is 455768937134479. The next prime is 455768937134501. The reversal of 455768937134491 is 194431739867554.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455768937134491 is a prime.

It is not a weakly prime, because it can be changed into another prime (455768937134191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227884468567245 + 227884468567246.

It is an arithmetic number, because the mean of its divisors is an integer number (227884468567246).

Almost surely, 2^{455768937134491} is an apocalyptic number.

455768937134491 is a deficient number, since it is larger than the sum of its proper divisors (1).

455768937134491 is an equidigital number, since it uses as much as digits as its factorization.

455768937134491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2743372800, while the sum is 76.

The spelling of 455768937134491 in words is "four hundred fifty-five trillion, seven hundred sixty-eight billion, nine hundred thirty-seven million, one hundred thirty-four thousand, four hundred ninety-one".