12834643291 has 2 divisors, whose sum is σ = 12834643292. Its totient is φ = 12834643290.

The previous prime is 12834643277. The next prime is 12834643307. The reversal of 12834643291 is 19234643821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12834643291 - 2¹⁹ = 12834119003 is a prime.

It is a super-2 number, since 2×12834643291² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12834643201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6417321645 + 6417321646.

It is an arithmetic number, because the mean of its divisors is an integer number (6417321646).

Almost surely, 2^12834643291 is an apocalyptic number.

12834643291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12834643291 is an equidigital number, since it uses as much as digits as its factorization.

12834643291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The spelling of 12834643291 in words is "twelve billion, eight hundred thirty-four million, six hundred forty-three thousand, two hundred ninety-one".