450921373 has 6 divisors (see below), whose sum is σ = 524541246. Its totient is φ = 386503992.

The previous prime is 450921347. The next prime is 450921391. The reversal of 450921373 is 373129054.

It can be written as a sum of positive squares in only one way, i.e., 260564164 + 190357209 = 16142^2 + 13797^2 .

It is a de Polignac number, because none of the positive numbers 2^k-450921373 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 (450921313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4601190 + ... + 4601287.

It is an arithmetic number, because the mean of its divisors is an integer number (87423541).

Almost surely, 2^450921373 is an apocalyptic number.

It is an amenable number.

450921373 is a deficient number, since it is larger than the sum of its proper divisors (73619873).

450921373 is an equidigital number, since it uses as much as digits as its factorization.

450921373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9202491 (or 9202484 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 450921373 is about 21234.9093004891. The cubic root of 450921373 is about 766.8320809012.

The spelling of 450921373 in words is "four hundred fifty million, nine hundred twenty-one thousand, three hundred seventy-three".