455688899 has 2 divisors, whose sum is σ = 455688900. Its totient is φ = 455688898.

The previous prime is 455688847. The next prime is 455688901. The reversal of 455688899 is 998886554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 455688899 - 2²⁰ = 454640323 is a prime.

Together with 455688901, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (455688839) 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, 227844449 + 227844450.

It is an arithmetic number, because the mean of its divisors is an integer number (227844450).

Almost surely, 2^455688899 is an apocalyptic number.

455688899 is a deficient number, since it is larger than the sum of its proper divisors (1).

455688899 is an equidigital number, since it uses as much as digits as its factorization.

455688899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24883200, while the sum is 62.

The square root of 455688899 is about 21346.8709416626. The cubic root of 455688899 is about 769.5251465874.

The spelling of 455688899 in words is "four hundred fifty-five million, six hundred eighty-eight thousand, eight hundred ninety-nine".