12846669291 has 24 divisors (see below), whose sum is σ = 19549059920. Its totient is φ = 8106993216.

The previous prime is 12846669289. The next prime is 12846669299. The reversal of 12846669291 is 19296664821.

It is not a de Polignac number, because 12846669291 - 2¹ = 12846669289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12846669299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181161 + ... + 241893.

Almost surely, 2^12846669291 is an apocalyptic number.

12846669291 is a deficient number, since it is larger than the sum of its proper divisors (6702390629).

12846669291 is a wasteful number, since it uses less digits than its factorization.

12846669291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61995 (or 61992 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The spelling of 12846669291 in words is "twelve billion, eight hundred forty-six million, six hundred sixty-nine thousand, two hundred ninety-one".