12993413189 has 4 divisors (see below), whose sum is σ = 12993646956. Its totient is φ = 12993179424.

The previous prime is 12993413183. The next prime is 12993413203. The reversal of 12993413189 is 98131439921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5204468164 + 7788945025 = 72142^2 + 88255^2 .

It is a cyclic number.

It is not a de Polignac number, because 12993413189 - 2⁸ = 12993412933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12993413183) 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, 19667 + ... + 162399.

It is an arithmetic number, because the mean of its divisors is an integer number (3248411739).

Almost surely, 2^12993413189 is an apocalyptic number.

It is an amenable number.

12993413189 is a deficient number, since it is larger than the sum of its proper divisors (233767).

12993413189 is an equidigital number, since it uses as much as digits as its factorization.

12993413189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233766.

The product of its digits is 419904, while the sum is 50.

The spelling of 12993413189 in words is "twelve billion, nine hundred ninety-three million, four hundred thirteen thousand, one hundred eighty-nine".