456953891 has 2 divisors, whose sum is σ = 456953892. Its totient is φ = 456953890.

The previous prime is 456953873. The next prime is 456953921. The reversal of 456953891 is 198359654.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456953891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (456953801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228476945 + 228476946.

It is an arithmetic number, because the mean of its divisors is an integer number (228476946).

Almost surely, 2^456953891 is an apocalyptic number.

456953891 is a deficient number, since it is larger than the sum of its proper divisors (1).

456953891 is an equidigital number, since it uses as much as digits as its factorization.

456953891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 50.

The square root of 456953891 is about 21376.4798552053. The cubic root of 456953891 is about 770.2365557555.

The spelling of 456953891 in words is "four hundred fifty-six million, nine hundred fifty-three thousand, eight hundred ninety-one".