506686573338 has 32 divisors (see below), whose sum is σ = 1108683901440. Its totient is φ = 153098896560.

The previous prime is 506686573259. The next prime is 506686573361. The reversal of 506686573338 is 833375686605.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11039158 + ... + 11084961.

It is an arithmetic number, because the mean of its divisors is an integer number (34646371920).

Almost surely, 2^506686573338 is an apocalyptic number.

506686573338 is an abundant number, since it is smaller than the sum of its proper divisors (601997328102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506686573338 is a wasteful number, since it uses less digits than its factorization.

506686573338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22124482.

The product of its (nonzero) digits is 65318400, while the sum is 60.

The spelling of 506686573338 in words is "five hundred six billion, six hundred eighty-six million, five hundred seventy-three thousand, three hundred thirty-eight".