50005008009 has 144 divisors (see below), whose sum is σ = 87749101440. Its totient is φ = 27320832000.

The previous prime is 50005008007. The next prime is 50005008019. The reversal of 50005008009 is 90080050005.

It is not a de Polignac number, because 50005008009 - 2¹ = 50005008007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50005008007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 31232809 + ... + 31234409.

It is an arithmetic number, because the mean of its divisors is an integer number (609368760).

Almost surely, 2^50005008009 is an apocalyptic number.

It is an amenable number.

50005008009 is a deficient number, since it is larger than the sum of its proper divisors (37744093431).

50005008009 is a wasteful number, since it uses less digits than its factorization.

50005008009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The spelling of 50005008009 in words is "fifty billion, five million, eight thousand, nine".