456116491 has 2 divisors, whose sum is σ = 456116492. Its totient is φ = 456116490.

The previous prime is 456116471. The next prime is 456116537. The reversal of 456116491 is 194611654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 456116491 - 2²⁷ = 321898763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 456116491.

It is not a weakly prime, because it can be changed into another prime (456116411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228058245 + 228058246.

It is an arithmetic number, because the mean of its divisors is an integer number (228058246).

Almost surely, 2^456116491 is an apocalyptic number.

456116491 is a deficient number, since it is larger than the sum of its proper divisors (1).

456116491 is an equidigital number, since it uses as much as digits as its factorization.

456116491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 456116491 is about 21356.8839253296. The cubic root of 456116491 is about 769.7657639125.

The spelling of 456116491 in words is "four hundred fifty-six million, one hundred sixteen thousand, four hundred ninety-one".