500505050961 has 6 divisors (see below), whose sum is σ = 722951740290. Its totient is φ = 333670033968.

The previous prime is 500505050959. The next prime is 500505051049. The reversal of 500505050961 is 169050505005.

500505050961 is a `hidden beast` number, since 50 + 0 + 50 + 50 + 509 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 497532729600 + 2972321361 = 705360^2 + 54519^2 .

It is not a de Polignac number, because 500505050961 - 2¹ = 500505050959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (500505050951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27805836156 + ... + 27805836173.

It is an arithmetic number, because the mean of its divisors is an integer number (120491956715).

Almost surely, 2^500505050961 is an apocalyptic number.

It is an amenable number.

500505050961 is a deficient number, since it is larger than the sum of its proper divisors (222446689329).

500505050961 is a wasteful number, since it uses less digits than its factorization.

500505050961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55611672335 (or 55611672332 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 36.

Adding to 500505050961 its reverse (169050505005), we get a palindrome (669555555966).

The spelling of 500505050961 in words is "five hundred billion, five hundred five million, fifty thousand, nine hundred sixty-one".