2543105393 has 2 divisors, whose sum is σ = 2543105394. Its totient is φ = 2543105392.

The previous prime is 2543105371. The next prime is 2543105419. The reversal of 2543105393 is 3935013452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2318615104 + 224490289 = 48152^2 + 14983^2 .

It is a cyclic number.

It is not a de Polignac number, because 2543105393 - 2¹⁸ = 2542843249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2543105303) 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, 1271552696 + 1271552697.

It is an arithmetic number, because the mean of its divisors is an integer number (1271552697).

Almost surely, 2^2543105393 is an apocalyptic number.

It is an amenable number.

2543105393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543105393 is an equidigital number, since it uses as much as digits as its factorization.

2543105393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 2543105393 is about 50429.2117031389. The cubic root of 2543105393 is about 1364.9648034863.

The spelling of 2543105393 in words is "two billion, five hundred forty-three million, one hundred five thousand, three hundred ninety-three".