12892657543 has 2 divisors, whose sum is σ = 12892657544. Its totient is φ = 12892657542.

The previous prime is 12892657507. The next prime is 12892657553. The reversal of 12892657543 is 34575629821.

It is a strong prime.

It is an emirp because it is prime and its reverse (34575629821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12892657543 - 2⁹ = 12892657031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12892657553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6446328771 + 6446328772.

It is an arithmetic number, because the mean of its divisors is an integer number (6446328772).

Almost surely, 2^12892657543 is an apocalyptic number.

12892657543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12892657543 is an equidigital number, since it uses as much as digits as its factorization.

12892657543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 52.

The spelling of 12892657543 in words is "twelve billion, eight hundred ninety-two million, six hundred fifty-seven thousand, five hundred forty-three".