9814144414181 has 2 divisors, whose sum is σ = 9814144414182. Its totient is φ = 9814144414180.

The previous prime is 9814144414163. The next prime is 9814144414213. The reversal of 9814144414181 is 1814144414189.

9814144414181 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., 7520840032225 + 2293304381956 = 2742415^2 + 1514366^2 .

It is an emirp because it is prime and its reverse (1814144414189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9814144414181 - 2³⁰ = 9813070672357 is a prime.

It is a super-2 number, since 2×9814144414181² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9814144494181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4907072207090 + 4907072207091.

It is an arithmetic number, because the mean of its divisors is an integer number (4907072207091).

Almost surely, 2^{9814144414181} is an apocalyptic number.

It is an amenable number.

9814144414181 is a deficient number, since it is larger than the sum of its proper divisors (1).

9814144414181 is an equidigital number, since it uses as much as digits as its factorization.

9814144414181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 589824, while the sum is 50.

The spelling of 9814144414181 in words is "nine trillion, eight hundred fourteen billion, one hundred forty-four million, four hundred fourteen thousand, one hundred eighty-one".