12863545889 has 16 divisors (see below), whose sum is σ = 13847258880. Its totient is φ = 11912209920.

The previous prime is 12863545867. The next prime is 12863545897. The reversal of 12863545889 is 98854536821.

12863545889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12863545889 - 2²⁴ = 12846768673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12863545819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249329 + ... + 296465.

It is an arithmetic number, because the mean of its divisors is an integer number (865453680).

Almost surely, 2^12863545889 is an apocalyptic number.

12863545889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12863545889 is a deficient number, since it is larger than the sum of its proper divisors (983712991).

12863545889 is a wasteful number, since it uses less digits than its factorization.

12863545889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47480.

The product of its digits is 16588800, while the sum is 59.

The spelling of 12863545889 in words is "twelve billion, eight hundred sixty-three million, five hundred forty-five thousand, eight hundred eighty-nine".