12863739839 has 4 divisors (see below), whose sum is σ = 13055736024. Its totient is φ = 12671743656.

The previous prime is 12863739829. The next prime is 12863739853. The reversal of 12863739839 is 93893736821.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12863739839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12863739829) 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, 95997992 + ... + 95998125.

It is an arithmetic number, because the mean of its divisors is an integer number (3263934006).

Almost surely, 2^12863739839 is an apocalyptic number.

12863739839 is a deficient number, since it is larger than the sum of its proper divisors (191996185).

12863739839 is an equidigital number, since it uses as much as digits as its factorization.

12863739839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191996184.

The product of its digits is 11757312, while the sum is 59.

The spelling of 12863739839 in words is "twelve billion, eight hundred sixty-three million, seven hundred thirty-nine thousand, eight hundred thirty-nine".