12768467291 has 2 divisors, whose sum is σ = 12768467292. Its totient is φ = 12768467290.

The previous prime is 12768467279. The next prime is 12768467317. The reversal of 12768467291 is 19276486721.

It is a weak prime.

It is an emirp because it is prime and its reverse (19276486721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12768467291 - 2³⁰ = 11694725467 is a prime.

It is a super-2 number, since 2×12768467291² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12768467221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6384233645 + 6384233646.

It is an arithmetic number, because the mean of its divisors is an integer number (6384233646).

Almost surely, 2^12768467291 is an apocalyptic number.

12768467291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12768467291 is an equidigital number, since it uses as much as digits as its factorization.

12768467291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 53.

The spelling of 12768467291 in words is "twelve billion, seven hundred sixty-eight million, four hundred sixty-seven thousand, two hundred ninety-one".