451434663 has 6 divisors (see below), whose sum is σ = 652072304. Its totient is φ = 300956436.

The previous prime is 451434653. The next prime is 451434667. The reversal of 451434663 is 366434154.

It is not a de Polignac number, because 451434663 - 2⁵ = 451434631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451434667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25079695 + ... + 25079712.

Almost surely, 2^451434663 is an apocalyptic number.

451434663 is a deficient number, since it is larger than the sum of its proper divisors (200637641).

451434663 is a wasteful number, since it uses less digits than its factorization.

451434663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50159413 (or 50159410 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 451434663 is about 21246.9918576725. The cubic root of 451434663 is about 767.1229357355.

The spelling of 451434663 in words is "four hundred fifty-one million, four hundred thirty-four thousand, six hundred sixty-three".