13213252330533 has 12 divisors (see below), whose sum is σ = 19085867512140. Its totient is φ = 8808807845376.

The previous prime is 13213252330493. The next prime is 13213252330543. The reversal of 13213252330533 is 33503325231231.

13213252330533 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 325 + 23 + 305 + 3 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7436954418084 + 5776297912449 = 2727078^2 + 2403393^2 .

It is not a de Polignac number, because 13213252330533 - 2²² = 13213248136229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213252330543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1104523 + ... + 5257991.

It is an arithmetic number, because the mean of its divisors is an integer number (1590488959345).

Almost surely, 2^{13213252330533} is an apocalyptic number.

It is an amenable number.

13213252330533 is a deficient number, since it is larger than the sum of its proper divisors (5872615181607).

13213252330533 is a wasteful number, since it uses less digits than its factorization.

13213252330533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506948 (or 4506945 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 36.

Adding to 13213252330533 its reverse (33503325231231), we get a palindrome (46716577561764).

The spelling of 13213252330533 in words is "thirteen trillion, two hundred thirteen billion, two hundred fifty-two million, three hundred thirty thousand, five hundred thirty-three".