455407999 has 2 divisors, whose sum is σ = 455408000. Its totient is φ = 455407998.

The previous prime is 455407993. The next prime is 455408021. The reversal of 455407999 is 999704554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455407999 - 2³ = 455407991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455407991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227703999 + 227704000.

It is an arithmetic number, because the mean of its divisors is an integer number (227704000).

Almost surely, 2^455407999 is an apocalyptic number.

455407999 is a deficient number, since it is larger than the sum of its proper divisors (1).

455407999 is an equidigital number, since it uses as much as digits as its factorization.

455407999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The square root of 455407999 is about 21340.2905088005. The cubic root of 455407999 is about 769.3669947978.

The spelling of 455407999 in words is "four hundred fifty-five million, four hundred seven thousand, nine hundred ninety-nine".