12533892813 has 24 divisors (see below), whose sum is σ = 20126113280. Its totient is φ = 7464350880.

The previous prime is 12533892671. The next prime is 12533892841. The reversal of 12533892813 is 31829833521.

12533892813 is a `hidden beast` number, since 1 + 2 + 533 + 89 + 28 + 13 = 666.

It is not a de Polignac number, because 12533892813 - 2¹⁰ = 12533891789 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533890813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1724233 + ... + 1731486.

Almost surely, 2^12533892813 is an apocalyptic number.

12533892813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12533892813 is a deficient number, since it is larger than the sum of its proper divisors (7592220467).

12533892813 is a wasteful number, since it uses less digits than its factorization.

12533892813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455769 (or 3455766 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The spelling of 12533892813 in words is "twelve billion, five hundred thirty-three million, eight hundred ninety-two thousand, eight hundred thirteen".