456450899 has 2 divisors, whose sum is σ = 456450900. Its totient is φ = 456450898.

The previous prime is 456450881. The next prime is 456450959. The reversal of 456450899 is 998054654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 456450899 - 2²⁴ = 439673683 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (456450299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228225449 + 228225450.

It is an arithmetic number, because the mean of its divisors is an integer number (228225450).

Almost surely, 2^456450899 is an apocalyptic number.

456450899 is a deficient number, since it is larger than the sum of its proper divisors (1).

456450899 is an equidigital number, since it uses as much as digits as its factorization.

456450899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 456450899 is about 21364.7115356140. The cubic root of 456450899 is about 769.9538393647.

The spelling of 456450899 in words is "four hundred fifty-six million, four hundred fifty thousand, eight hundred ninety-nine".