12634609843 has 2 divisors, whose sum is σ = 12634609844. Its totient is φ = 12634609842.

The previous prime is 12634609783. The next prime is 12634609879. The reversal of 12634609843 is 34890643621.

12634609843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12634609843 - 2¹⁷ = 12634478771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12634609793 and 12634609802.

It is not a weakly prime, because it can be changed into another prime (12634669843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6317304921 + 6317304922.

It is an arithmetic number, because the mean of its divisors is an integer number (6317304922).

Almost surely, 2^12634609843 is an apocalyptic number.

12634609843 is a deficient number, since it is larger than the sum of its proper divisors (1).

12634609843 is an equidigital number, since it uses as much as digits as its factorization.

12634609843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 12634609843 in words is "twelve billion, six hundred thirty-four million, six hundred nine thousand, eight hundred forty-three".