506065320243 has 40 divisors (see below), whose sum is σ = 864449245440. Its totient is φ = 289019916720.

The previous prime is 506065320209. The next prime is 506065320247. The reversal of 506065320243 is 342023560605.

506065320243 is a `hidden beast` number, since 5 + 0 + 606 + 5 + 3 + 2 + 0 + 2 + 43 = 666.

It is not a de Polignac number, because 506065320243 - 2¹⁴ = 506065303859 is a prime.

It is a super-2 number, since 2×506065320243² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 506065320198 and 506065320207.

It is not an unprimeable number, because it can be changed into a prime (506065320247) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 780418 + ... + 1273256.

It is an arithmetic number, because the mean of its divisors is an integer number (21611231136).

Almost surely, 2^506065320243 is an apocalyptic number.

506065320243 is a deficient number, since it is larger than the sum of its proper divisors (358383925197).

506065320243 is a wasteful number, since it uses less digits than its factorization.

506065320243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494669 (or 494660 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 506065320243 its reverse (342023560605), we get a palindrome (848088880848).

The spelling of 506065320243 in words is "five hundred six billion, sixty-five million, three hundred twenty thousand, two hundred forty-three".