2543882248729 has 2 divisors, whose sum is σ = 2543882248730. Its totient is φ = 2543882248728.

The previous prime is 2543882248703. The next prime is 2543882248751. The reversal of 2543882248729 is 9278422883452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1437121440000 + 1106760808729 = 1198800^2 + 1052027^2 .

It is a cyclic number.

It is not a de Polignac number, because 2543882248729 - 2¹⁷ = 2543882117657 is a prime.

It is not a weakly prime, because it can be changed into another prime (2543882243729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271941124364 + 1271941124365.

It is an arithmetic number, because the mean of its divisors is an integer number (1271941124365).

Almost surely, 2^{2543882248729} is an apocalyptic number.

It is an amenable number.

2543882248729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543882248729 is an equidigital number, since it uses as much as digits as its factorization.

2543882248729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123863040, while the sum is 64.

The spelling of 2543882248729 in words is "two trillion, five hundred forty-three billion, eight hundred eighty-two million, two hundred forty-eight thousand, seven hundred twenty-nine".