500555500009 has 16 divisors (see below), whose sum is σ = 538759624320. Its totient is φ = 463326716160.

The previous prime is 500555500001. The next prime is 500555500021. The reversal of 500555500009 is 900005555005.

It is a cyclic number.

It is not a de Polignac number, because 500555500009 - 2³ = 500555500001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500555500001) 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, 9076332 + ... + 9131314.

It is an arithmetic number, because the mean of its divisors is an integer number (33672476520).

Almost surely, 2^500555500009 is an apocalyptic number.

It is an amenable number.

500555500009 is a deficient number, since it is larger than the sum of its proper divisors (38204124311).

500555500009 is a wasteful number, since it uses less digits than its factorization.

500555500009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63840.

The product of its (nonzero) digits is 28125, while the sum is 34.

The spelling of 500555500009 in words is "five hundred billion, five hundred fifty-five million, five hundred thousand, nine".