506311605233 has 4 divisors (see below), whose sum is σ = 578641834560. Its totient is φ = 433981375908.

The previous prime is 506311605223. The next prime is 506311605269. The reversal of 506311605233 is 332506113605.

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 a cyclic number.

It is not a de Polignac number, because 506311605233 - 2³⁸ = 231433698289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506311605193 and 506311605202.

It is not an unprimeable number, because it can be changed into a prime (506311605203) 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, 36165114653 + ... + 36165114666.

It is an arithmetic number, because the mean of its divisors is an integer number (144660458640).

Almost surely, 2^506311605233 is an apocalyptic number.

It is an amenable number.

506311605233 is a deficient number, since it is larger than the sum of its proper divisors (72330229327).

506311605233 is an equidigital number, since it uses as much as digits as its factorization.

506311605233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72330229326.

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 506311605233 its reverse (332506113605), we get a palindrome (838817718838).

The spelling of 506311605233 in words is "five hundred six billion, three hundred eleven million, six hundred five thousand, two hundred thirty-three".