13843683943 has 2 divisors, whose sum is σ = 13843683944. Its totient is φ = 13843683942.

The previous prime is 13843683881. The next prime is 13843684003. The reversal of 13843683943 is 34938634831.

It is a strong prime.

It is an emirp because it is prime and its reverse (34938634831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13843683943 - 2⁹ = 13843683431 is a prime.

It is a super-2 number, since 2×13843683943² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13843683143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6921841971 + 6921841972.

It is an arithmetic number, because the mean of its divisors is an integer number (6921841972).

Almost surely, 2^13843683943 is an apocalyptic number.

13843683943 is a deficient number, since it is larger than the sum of its proper divisors (1).

13843683943 is an equidigital number, since it uses as much as digits as its factorization.

13843683943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4478976, while the sum is 52.

The spelling of 13843683943 in words is "thirteen billion, eight hundred forty-three million, six hundred eighty-three thousand, nine hundred forty-three".