450868563 has 36 divisors (see below), whose sum is σ = 690253200. Its totient is φ = 283057632.

The previous prime is 450868559. The next prime is 450868573. The reversal of 450868563 is 365868054.

450868563 is a `hidden beast` number, since 4 + 5 + 0 + 86 + 8 + 563 = 666.

It is not a de Polignac number, because 450868563 - 2² = 450868559 is a prime.

It is a super-2 number, since 2×450868563² = 406564922203369938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (450868573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1291713 + ... + 1292061.

It is an arithmetic number, because the mean of its divisors is an integer number (19173700).

Almost surely, 2^450868563 is an apocalyptic number.

450868563 is a deficient number, since it is larger than the sum of its proper divisors (239384637).

450868563 is a wasteful number, since it uses less digits than its factorization.

450868563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 450868563 is about 21233.6657927924. The cubic root of 450868563 is about 766.8021436914.

The spelling of 450868563 in words is "four hundred fifty million, eight hundred sixty-eight thousand, five hundred sixty-three".