6243343493 has 2 divisors, whose sum is σ = 6243343494. Its totient is φ = 6243343492.

The previous prime is 6243343459. The next prime is 6243343499. The reversal of 6243343493 is 3943433426.

6243343493 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5564115649 + 679227844 = 74593^2 + 26062^2 .

It is a cyclic number.

It is not a de Polignac number, because 6243343493 - 2¹⁸ = 6243081349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6243343493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6243343499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3121671746 + 3121671747.

It is an arithmetic number, because the mean of its divisors is an integer number (3121671747).

Almost surely, 2^6243343493 is an apocalyptic number.

It is an amenable number.

6243343493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6243343493 is an equidigital number, since it uses as much as digits as its factorization.

6243343493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 41.

The square root of 6243343493 is about 79014.8308420641. The cubic root of 6243343493 is about 1841.3615761859.

The spelling of 6243343493 in words is "six billion, two hundred forty-three million, three hundred forty-three thousand, four hundred ninety-three".