505356033213 has 20 divisors (see below), whose sum is σ = 779266654848. Its totient is φ = 326036148840.

The previous prime is 505356033199. The next prime is 505356033289. The reversal of 505356033213 is 312330653505.

505356033213 is a `hidden beast` number, since 5 + 0 + 5 + 3 + 5 + 603 + 32 + 13 = 666.

It is not a de Polignac number, because 505356033213 - 2¹³ = 505356025021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505356013213) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 100625931 + ... + 100630952.

Almost surely, 2^505356033213 is an apocalyptic number.

It is an amenable number.

505356033213 is a deficient number, since it is larger than the sum of its proper divisors (273910621635).

505356033213 is a wasteful number, since it uses less digits than its factorization.

505356033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201256926 (or 201256917 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 36.

Adding to 505356033213 its reverse (312330653505), we get a palindrome (817686686718).

The spelling of 505356033213 in words is "five hundred five billion, three hundred fifty-six million, thirty-three thousand, two hundred thirteen".