455730689 has 2 divisors, whose sum is σ = 455730690. Its totient is φ = 455730688.

The previous prime is 455730643. The next prime is 455730719. The reversal of 455730689 is 986037554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450161089 + 5569600 = 21217^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 455730689 - 2⁸ = 455730433 is a prime.

It is not a weakly prime, because it can be changed into another prime (455730619) 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, 227865344 + 227865345.

It is an arithmetic number, because the mean of its divisors is an integer number (227865345).

Almost surely, 2^455730689 is an apocalyptic number.

It is an amenable number.

455730689 is a deficient number, since it is larger than the sum of its proper divisors (1).

455730689 is an equidigital number, since it uses as much as digits as its factorization.

455730689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 455730689 is about 21347.8497512045. The cubic root of 455730689 is about 769.5486695603.

The spelling of 455730689 in words is "four hundred fifty-five million, seven hundred thirty thousand, six hundred eighty-nine".