12869798663 has 4 divisors (see below), whose sum is σ = 12870732000. Its totient is φ = 12868865328.

The previous prime is 12869798657. The next prime is 12869798693. The reversal of 12869798663 is 36689796821.

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

It is a cyclic number.

It is not a de Polignac number, because 12869798663 - 2²⁶ = 12802689799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12869798663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12869798633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445670 + ... + 473667.

It is an arithmetic number, because the mean of its divisors is an integer number (3217683000).

Almost surely, 2^12869798663 is an apocalyptic number.

12869798663 is a deficient number, since it is larger than the sum of its proper divisors (933337).

12869798663 is an equidigital number, since it uses as much as digits as its factorization.

12869798663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933336.

The product of its digits is 47029248, while the sum is 65.

The spelling of 12869798663 in words is "twelve billion, eight hundred sixty-nine million, seven hundred ninety-eight thousand, six hundred sixty-three".