454028489 has 2 divisors, whose sum is σ = 454028490. Its totient is φ = 454028488.

The previous prime is 454028483. The next prime is 454028527. The reversal of 454028489 is 984820454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449652025 + 4376464 = 21205^2 + 2092^2 .

It is a cyclic number.

It is not a de Polignac number, because 454028489 - 2⁴ = 454028473 is a prime.

It is a super-2 number, since 2×454028489² = 412283737647246242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (454028483) 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, 227014244 + 227014245.

It is an arithmetic number, because the mean of its divisors is an integer number (227014245).

Almost surely, 2^454028489 is an apocalyptic number.

It is an amenable number.

454028489 is a deficient number, since it is larger than the sum of its proper divisors (1).

454028489 is an equidigital number, since it uses as much as digits as its factorization.

454028489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 454028489 is about 21307.9442696850. The cubic root of 454028489 is about 768.5893602788.

The spelling of 454028489 in words is "four hundred fifty-four million, twenty-eight thousand, four hundred eighty-nine".