455968999 has 4 divisors (see below), whose sum is σ = 457960360. Its totient is φ = 453977640.

The previous prime is 455968979. The next prime is 455969009. The reversal of 455968999 is 999869554.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999869554 = 2 ⋅499934777.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455968999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 455968999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455968979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995337 + ... + 995794.

It is an arithmetic number, because the mean of its divisors is an integer number (114490090).

Almost surely, 2^455968999 is an apocalyptic number.

455968999 is a deficient number, since it is larger than the sum of its proper divisors (1991361).

455968999 is a wasteful number, since it uses less digits than its factorization.

455968999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991360.

The product of its digits is 31492800, while the sum is 64.

The square root of 455968999 is about 21353.4306143065. The cubic root of 455968999 is about 769.6827832601.

The spelling of 455968999 in words is "four hundred fifty-five million, nine hundred sixty-eight thousand, nine hundred ninety-nine".