456940811 has 2 divisors, whose sum is σ = 456940812. Its totient is φ = 456940810.

The previous prime is 456940801. The next prime is 456940853. The reversal of 456940811 is 118049654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 456940811 - 2²² = 452746507 is a prime.

It is not a weakly prime, because it can be changed into another prime (456940801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228470405 + 228470406.

It is an arithmetic number, because the mean of its divisors is an integer number (228470406).

Almost surely, 2^456940811 is an apocalyptic number.

456940811 is a deficient number, since it is larger than the sum of its proper divisors (1).

456940811 is an equidigital number, since it uses as much as digits as its factorization.

456940811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 456940811 is about 21376.1739092851. The cubic root of 456940811 is about 770.2292065164.

The spelling of 456940811 in words is "four hundred fifty-six million, nine hundred forty thousand, eight hundred eleven".