506120707173 has 4 divisors (see below), whose sum is σ = 674827609568. Its totient is φ = 337413804780.

The previous prime is 506120707171. The next prime is 506120707177. The reversal of 506120707173 is 371707021605.

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 506120707173 - 2¹ = 506120707171 is a prime.

It is a super-2 number, since 2×506120707173² (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 (506120707171) 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, 84353451193 + ... + 84353451198.

It is an arithmetic number, because the mean of its divisors is an integer number (168706902392).

Almost surely, 2^506120707173 is an apocalyptic number.

It is an amenable number.

506120707173 is a deficient number, since it is larger than the sum of its proper divisors (168706902395).

506120707173 is a wasteful number, since it uses less digits than its factorization.

506120707173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168706902394.

The product of its (nonzero) digits is 61740, while the sum is 39.

Adding to 506120707173 its reverse (371707021605), we get a palindrome (877827728778).

The spelling of 506120707173 in words is "five hundred six billion, one hundred twenty million, seven hundred seven thousand, one hundred seventy-three".