12863886529 has 8 divisors (see below), whose sum is σ = 13876024232. Its totient is φ = 11854978560.

The previous prime is 12863886523. The next prime is 12863886547. The reversal of 12863886529 is 92568836821.

It can be written as a sum of positive squares in 4 ways, for example, as 301960129 + 12561926400 = 17377^2 + 112080^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12863886529 - 2⁹ = 12863886017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12863886523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799152 + ... + 815089.

It is an arithmetic number, because the mean of its divisors is an integer number (1734503029).

Almost surely, 2^12863886529 is an apocalyptic number.

It is an amenable number.

12863886529 is a deficient number, since it is larger than the sum of its proper divisors (1012137703).

12863886529 is a wasteful number, since it uses less digits than its factorization.

12863886529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614867.

The product of its digits is 9953280, while the sum is 58.

The spelling of 12863886529 in words is "twelve billion, eight hundred sixty-three million, eight hundred eighty-six thousand, five hundred twenty-nine".