12868733291 has 2 divisors, whose sum is σ = 12868733292. Its totient is φ = 12868733290.

The previous prime is 12868733279. The next prime is 12868733303. The reversal of 12868733291 is 19233786821.

It is a balanced prime because it is at equal distance from previous prime (12868733279) and next prime (12868733303).

It is an emirp because it is prime and its reverse (19233786821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12868733291 - 2²² = 12864538987 is a prime.

It is not a weakly prime, because it can be changed into another prime (12868733191) 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, 6434366645 + 6434366646.

It is an arithmetic number, because the mean of its divisors is an integer number (6434366646).

Almost surely, 2^12868733291 is an apocalyptic number.

12868733291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12868733291 is an equidigital number, since it uses as much as digits as its factorization.

12868733291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The spelling of 12868733291 in words is "twelve billion, eight hundred sixty-eight million, seven hundred thirty-three thousand, two hundred ninety-one".