454664889 has 24 divisors (see below), whose sum is σ = 790063040. Its totient is φ = 246133728.

The previous prime is 454664869. The next prime is 454664891. The reversal of 454664889 is 988466454.

It is not a de Polignac number, because 454664889 - 2⁵ = 454664857 is a prime.

It is a super-2 number, since 2×454664889² = 413440322578764642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454664809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188722 + ... + 191115.

Almost surely, 2^454664889 is an apocalyptic number.

It is an amenable number.

454664889 is a deficient number, since it is larger than the sum of its proper divisors (335398151).

454664889 is a wasteful number, since it uses less digits than its factorization.

454664889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379869 (or 379866 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The square root of 454664889 is about 21322.8724378307. The cubic root of 454664889 is about 768.9482965752.

The spelling of 454664889 in words is "four hundred fifty-four million, six hundred sixty-four thousand, eight hundred eighty-nine".