455919983 has 2 divisors, whose sum is σ = 455919984. Its totient is φ = 455919982.

The previous prime is 455919979. The next prime is 455920001. The reversal of 455919983 is 389919554.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455919983 - 2² = 455919979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455919943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227959991 + 227959992.

It is an arithmetic number, because the mean of its divisors is an integer number (227959992).

Almost surely, 2^455919983 is an apocalyptic number.

455919983 is a deficient number, since it is larger than the sum of its proper divisors (1).

455919983 is an equidigital number, since it uses as much as digits as its factorization.

455919983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1749600, while the sum is 53.

The square root of 455919983 is about 21352.2828521917. The cubic root of 455919983 is about 769.6552023476.

It can be divided in two parts, 4559 and 19983, that added together give a palindrome (24542).

The spelling of 455919983 in words is "four hundred fifty-five million, nine hundred nineteen thousand, nine hundred eighty-three".