450650509 has 8 divisors (see below), whose sum is σ = 461658528. Its totient is φ = 439768560.

The previous prime is 450650489. The next prime is 450650533. The reversal of 450650509 is 905056054.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450650509 - 2¹³ = 450642317 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 (450650009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24262 + ... + 38599.

It is an arithmetic number, because the mean of its divisors is an integer number (57707316).

Almost surely, 2^450650509 is an apocalyptic number.

It is an amenable number.

450650509 is a deficient number, since it is larger than the sum of its proper divisors (11008019).

450650509 is a wasteful number, since it uses less digits than its factorization.

450650509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63035.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 450650509 is about 21228.5305426447. The cubic root of 450650509 is about 766.6785073366.

The spelling of 450650509 in words is "four hundred fifty million, six hundred fifty thousand, five hundred nine".