12863116813 has 4 divisors (see below), whose sum is σ = 13018094208. Its totient is φ = 12708139420.

The previous prime is 12863116771. The next prime is 12863116853. The reversal of 12863116813 is 31861136821.

It is a happy number.

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 12863116813 - 2²⁹ = 12326245901 is a prime.

It is a super-3 number, since 3×12863116813³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12863116853) 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, 77488573 + ... + 77488738.

It is an arithmetic number, because the mean of its divisors is an integer number (3254523552).

Almost surely, 2^12863116813 is an apocalyptic number.

It is an amenable number.

12863116813 is a deficient number, since it is larger than the sum of its proper divisors (154977395).

12863116813 is an equidigital number, since it uses as much as digits as its factorization.

12863116813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154977394.

The product of its digits is 41472, while the sum is 40.

The spelling of 12863116813 in words is "twelve billion, eight hundred sixty-three million, one hundred sixteen thousand, eight hundred thirteen".