14404216181 has 4 divisors (see below), whose sum is σ = 14404645164. Its totient is φ = 14403787200.

The previous prime is 14404216157. The next prime is 14404216199. The reversal of 14404216181 is 18161240441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18161240441 = 4507 ⋅4029563.

It can be written as a sum of positive squares in 2 ways, for example, as 231313681 + 14172902500 = 15209^2 + 119050^2 .

It is a cyclic number.

It is not a de Polignac number, because 14404216181 - 2¹⁰ = 14404215157 is a prime.

It is a super-2 number, since 2×14404216181² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14404216121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159410 + ... + 232851.

It is an arithmetic number, because the mean of its divisors is an integer number (3601161291).

Almost surely, 2^14404216181 is an apocalyptic number.

It is an amenable number.

14404216181 is a deficient number, since it is larger than the sum of its proper divisors (428983).

14404216181 is an equidigital number, since it uses as much as digits as its factorization.

14404216181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428982.

The product of its (nonzero) digits is 6144, while the sum is 32.

The spelling of 14404216181 in words is "fourteen billion, four hundred four million, two hundred sixteen thousand, one hundred eighty-one".