500605605009 has 6 divisors (see below), whose sum is σ = 723096985026. Its totient is φ = 333737070000.

The previous prime is 500605604977. The next prime is 500605605011. The reversal of 500605605009 is 900506506005.

It can be written as a sum of positive squares in only one way, i.e., 453036686400 + 47568918609 = 673080^2 + 218103^2 .

It is not a de Polignac number, because 500605605009 - 2⁵ = 500605604977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (500605606009) 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 5 ways as a sum of consecutive naturals, for example, 27811422492 + ... + 27811422509.

It is an arithmetic number, because the mean of its divisors is an integer number (120516164171).

Almost surely, 2^500605605009 is an apocalyptic number.

It is an amenable number.

500605605009 is a deficient number, since it is larger than the sum of its proper divisors (222491380017).

500605605009 is a wasteful number, since it uses less digits than its factorization.

500605605009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55622845007 (or 55622845004 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 500605605009 in words is "five hundred billion, six hundred five million, six hundred five thousand, nine".