12741635443 has 2 divisors, whose sum is σ = 12741635444. Its totient is φ = 12741635442.

The previous prime is 12741635441. The next prime is 12741635471. The reversal of 12741635443 is 34453614721.

It is a weak prime.

It is an emirp because it is prime and its reverse (34453614721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12741635443 - 2¹ = 12741635441 is a prime.

Together with 12741635441, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12741635396 and 12741635405.

It is not a weakly prime, because it can be changed into another prime (12741635441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6370817721 + 6370817722.

It is an arithmetic number, because the mean of its divisors is an integer number (6370817722).

Almost surely, 2^12741635443 is an apocalyptic number.

12741635443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12741635443 is an equidigital number, since it uses as much as digits as its factorization.

12741635443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

The spelling of 12741635443 in words is "twelve billion, seven hundred forty-one million, six hundred thirty-five thousand, four hundred forty-three".