450580663 has 4 divisors (see below), whose sum is σ = 485240728. Its totient is φ = 415920600.

The previous prime is 450580661. The next prime is 450580667. The reversal of 450580663 is 366085054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366085054 = 2 ⋅183042527.

It is a cyclic number.

It is not a de Polignac number, because 450580663 - 2¹ = 450580661 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 (450580661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17330013 + ... + 17330038.

It is an arithmetic number, because the mean of its divisors is an integer number (121310182).

Almost surely, 2^450580663 is an apocalyptic number.

450580663 is a deficient number, since it is larger than the sum of its proper divisors (34660065).

450580663 is a wasteful number, since it uses less digits than its factorization.

450580663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34660064.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 450580663 is about 21226.8853815156. The cubic root of 450580663 is about 766.6388963056.

The spelling of 450580663 in words is "four hundred fifty million, five hundred eighty thousand, six hundred sixty-three".