12643028339 has 2 divisors, whose sum is σ = 12643028340. Its totient is φ = 12643028338.

The previous prime is 12643028327. The next prime is 12643028347. The reversal of 12643028339 is 93382034621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12643028339 - 2⁴ = 12643028323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12643028296 and 12643028305.

It is not a weakly prime, because it can be changed into another prime (12640028339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6321514169 + 6321514170.

It is an arithmetic number, because the mean of its divisors is an integer number (6321514170).

Almost surely, 2^12643028339 is an apocalyptic number.

12643028339 is a deficient number, since it is larger than the sum of its proper divisors (1).

12643028339 is an equidigital number, since it uses as much as digits as its factorization.

12643028339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 12643028339 in words is "twelve billion, six hundred forty-three million, twenty-eight thousand, three hundred thirty-nine".