450456863 has 16 divisors (see below), whose sum is σ = 482423040. Its totient is φ = 419584704.

The previous prime is 450456859. The next prime is 450456887. The reversal of 450456863 is 368654054.

It is a cyclic number.

It is not a de Polignac number, because 450456863 - 2² = 450456859 is a prime.

It is a super-2 number, since 2×450456863² = 405822770847601538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450456863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450456893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556403 + ... + 557211.

It is an arithmetic number, because the mean of its divisors is an integer number (30151440).

Almost surely, 2^450456863 is an apocalyptic number.

450456863 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

450456863 is a deficient number, since it is larger than the sum of its proper divisors (31966177).

450456863 is a wasteful number, since it uses less digits than its factorization.

450456863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438.

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 450456863 is about 21223.9690680136. The cubic root of 450456863 is about 766.5686768482.

The spelling of 450456863 in words is "four hundred fifty million, four hundred fifty-six thousand, eight hundred sixty-three".