451563794 has 32 divisors (see below), whose sum is σ = 766858752. Its totient is φ = 197568000.

The previous prime is 451563779. The next prime is 451563797. The reversal of 451563794 is 497365154.

It is not an unprimeable number, because it can be changed into a prime (451563797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132674 + ... + 136034.

It is an arithmetic number, because the mean of its divisors is an integer number (23964336).

Almost surely, 2^451563794 is an apocalyptic number.

451563794 is a deficient number, since it is larger than the sum of its proper divisors (315294958).

451563794 is a wasteful number, since it uses less digits than its factorization.

451563794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602.

The product of its digits is 453600, while the sum is 44.

The square root of 451563794 is about 21250.0304470370. The cubic root of 451563794 is about 767.1960728664.

The spelling of 451563794 in words is "four hundred fifty-one million, five hundred sixty-three thousand, seven hundred ninety-four".