12839648831 has 2 divisors, whose sum is σ = 12839648832. Its totient is φ = 12839648830.

The previous prime is 12839648821. The next prime is 12839648881. The reversal of 12839648831 is 13884693821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12839648831 is a prime.

It is a super-2 number, since 2×12839648831² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12839648821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6419824415 + 6419824416.

It is an arithmetic number, because the mean of its divisors is an integer number (6419824416).

Almost surely, 2^12839648831 is an apocalyptic number.

12839648831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12839648831 is an equidigital number, since it uses as much as digits as its factorization.

12839648831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 53.

The spelling of 12839648831 in words is "twelve billion, eight hundred thirty-nine million, six hundred forty-eight thousand, eight hundred thirty-one".