450665673 has 4 divisors (see below), whose sum is σ = 600887568. Its totient is φ = 300443780.

The previous prime is 450665641. The next prime is 450665689. The reversal of 450665673 is 376566054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 450665673 - 2⁵ = 450665641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450665773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75110943 + ... + 75110948.

It is an arithmetic number, because the mean of its divisors is an integer number (150221892).

Almost surely, 2^450665673 is an apocalyptic number.

It is an amenable number.

450665673 is a deficient number, since it is larger than the sum of its proper divisors (150221895).

450665673 is a wasteful number, since it uses less digits than its factorization.

450665673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150221894.

The product of its (nonzero) digits is 453600, while the sum is 42.

The square root of 450665673 is about 21228.8877004896. The cubic root of 450665673 is about 766.6871065964.

The spelling of 450665673 in words is "four hundred fifty million, six hundred sixty-five thousand, six hundred seventy-three".