454492439 has 2 divisors, whose sum is σ = 454492440. Its totient is φ = 454492438.

The previous prime is 454492417. The next prime is 454492469. The reversal of 454492439 is 934294454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454492439 - 2⁸ = 454492183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 454492439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454492469) 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, 227246219 + 227246220.

It is an arithmetic number, because the mean of its divisors is an integer number (227246220).

Almost surely, 2^454492439 is an apocalyptic number.

454492439 is a deficient number, since it is larger than the sum of its proper divisors (1).

454492439 is an equidigital number, since it uses as much as digits as its factorization.

454492439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 44.

The square root of 454492439 is about 21318.8282745558. The cubic root of 454492439 is about 768.8510660612.

The spelling of 454492439 in words is "four hundred fifty-four million, four hundred ninety-two thousand, four hundred thirty-nine".