450990213 has 16 divisors (see below), whose sum is σ = 634022400. Its totient is φ = 284361840.

The previous prime is 450990203. The next prime is 450990217. The reversal of 450990213 is 312099054.

It is not a de Polignac number, because 450990213 - 2⁵ = 450990181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450990217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29698 + ... + 42236.

It is an arithmetic number, because the mean of its divisors is an integer number (39626400).

Almost surely, 2^450990213 is an apocalyptic number.

It is an amenable number.

450990213 is a deficient number, since it is larger than the sum of its proper divisors (183032187).

450990213 is a wasteful number, since it uses less digits than its factorization.

450990213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13192.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 450990213 is about 21236.5301544297. The cubic root of 450990213 is about 766.8711017723.

The spelling of 450990213 in words is "four hundred fifty million, nine hundred ninety thousand, two hundred thirteen".