506000050509 has 4 divisors (see below), whose sum is σ = 674666734016. Its totient is φ = 337333367004.

The previous prime is 506000050481. The next prime is 506000050511. The reversal of 506000050509 is 905050000605.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 506000050509 - 2⁵ = 506000050477 is a prime.

It is a super-2 number, since 2×506000050509² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506000050519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84333341749 + ... + 84333341754.

It is an arithmetic number, because the mean of its divisors is an integer number (168666683504).

Almost surely, 2^506000050509 is an apocalyptic number.

It is an amenable number.

506000050509 is a deficient number, since it is larger than the sum of its proper divisors (168666683507).

506000050509 is a wasteful number, since it uses less digits than its factorization.

506000050509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168666683506.

The product of its (nonzero) digits is 6750, while the sum is 30.

The spelling of 506000050509 in words is "five hundred six billion, fifty thousand, five hundred nine".