6743863543 has 2 divisors, whose sum is σ = 6743863544. Its totient is φ = 6743863542.

The previous prime is 6743863487. The next prime is 6743863631. The reversal of 6743863543 is 3453683476.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6743863543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6743663543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3371931771 + 3371931772.

It is an arithmetic number, because the mean of its divisors is an integer number (3371931772).

Almost surely, 2^6743863543 is an apocalyptic number.

6743863543 is a deficient number, since it is larger than the sum of its proper divisors (1).

6743863543 is an equidigital number, since it uses as much as digits as its factorization.

6743863543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 49.

The square root of 6743863543 is about 82121.0298461971. The cubic root of 6743863543 is about 1889.3087011068.

The spelling of 6743863543 in words is "six billion, seven hundred forty-three million, eight hundred sixty-three thousand, five hundred forty-three".