12943127863 has 2 divisors, whose sum is σ = 12943127864. Its totient is φ = 12943127862.

The previous prime is 12943127851. The next prime is 12943127887. The reversal of 12943127863 is 36872134921.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12943127863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12943127363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6471563931 + 6471563932.

It is an arithmetic number, because the mean of its divisors is an integer number (6471563932).

Almost surely, 2^12943127863 is an apocalyptic number.

12943127863 is a deficient number, since it is larger than the sum of its proper divisors (1).

12943127863 is an equidigital number, since it uses as much as digits as its factorization.

12943127863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The spelling of 12943127863 in words is "twelve billion, nine hundred forty-three million, one hundred twenty-seven thousand, eight hundred sixty-three".