13843683881 has 2 divisors, whose sum is σ = 13843683882. Its totient is φ = 13843683880.

The previous prime is 13843683871. The next prime is 13843683943. The reversal of 13843683881 is 18838634831.

13843683881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10339635856 + 3504048025 = 101684^2 + 59195^2 .

It is an emirp because it is prime and its reverse (18838634831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13843683881 is a prime.

It is a super-2 number, since 2×13843683881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13843683811) 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, 6921841940 + 6921841941.

It is an arithmetic number, because the mean of its divisors is an integer number (6921841941).

Almost surely, 2^13843683881 is an apocalyptic number.

It is an amenable number.

13843683881 is a deficient number, since it is larger than the sum of its proper divisors (1).

13843683881 is an equidigital number, since it uses as much as digits as its factorization.

13843683881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2654208, while the sum is 53.

The spelling of 13843683881 in words is "thirteen billion, eight hundred forty-three million, six hundred eighty-three thousand, eight hundred eighty-one".