12468305774543 has 2 divisors, whose sum is σ = 12468305774544. Its totient is φ = 12468305774542.

The previous prime is 12468305774423. The next prime is 12468305774549. The reversal of 12468305774543 is 34547750386421.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (34547750386421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12468305774543 - 2²² = 12468301580239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12468305774549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6234152887271 + 6234152887272.

It is an arithmetic number, because the mean of its divisors is an integer number (6234152887272).

Almost surely, 2^{12468305774543} is an apocalyptic number.

12468305774543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12468305774543 is an equidigital number, since it uses as much as digits as its factorization.

12468305774543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67737600, while the sum is 59.

The spelling of 12468305774543 in words is "twelve trillion, four hundred sixty-eight billion, three hundred five million, seven hundred seventy-four thousand, five hundred forty-three".