12797834673989 has 4 divisors (see below), whose sum is σ = 12824552492160. Its totient is φ = 12771116855820.

The previous prime is 12797834673979. The next prime is 12797834674013. The reversal of 12797834673989 is 98937643879721.

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 12797834673989 - 2⁸ = 12797834673733 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 (12797834673979) 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, 13358908367 + ... + 13358909324.

It is an arithmetic number, because the mean of its divisors is an integer number (3206138123040).

Almost surely, 2^{12797834673989} is an apocalyptic number.

It is an amenable number.

12797834673989 is a deficient number, since it is larger than the sum of its proper divisors (26717818171).

12797834673989 is an equidigital number, since it uses as much as digits as its factorization.

12797834673989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26717818170.

The product of its digits is 6913299456, while the sum is 83.

The spelling of 12797834673989 in words is "twelve trillion, seven hundred ninety-seven billion, eight hundred thirty-four million, six hundred seventy-three thousand, nine hundred eighty-nine".