500445009 has 12 divisors (see below), whose sum is σ = 760910800. Its totient is φ = 316070424.

The previous prime is 500444981. The next prime is 500445041. The reversal of 500445009 is 900544005.

It is not a de Polignac number, because 500445009 - 2⁵ = 500444977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500445509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1463119 + ... + 1463460.

Almost surely, 2^500445009 is an apocalyptic number.

It is an amenable number.

500445009 is a deficient number, since it is larger than the sum of its proper divisors (260465791).

500445009 is a wasteful number, since it uses less digits than its factorization.

500445009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926604 (or 2926601 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 500445009 is about 22370.6282656523. The cubic root of 500445009 is about 793.9359254129.

The spelling of 500445009 in words is "five hundred million, four hundred forty-five thousand, nine".