4044340420189 has 2 divisors, whose sum is σ = 4044340420190. Its totient is φ = 4044340420188.

The previous prime is 4044340420187. The next prime is 4044340420207. The reversal of 4044340420189 is 9810240434404.

It is a happy number.

4044340420189 is digitally balanced in base 3, 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., 2463776008164 + 1580564412025 = 1569642^2 + 1257205^2 .

It is a cyclic number.

It is not a de Polignac number, because 4044340420189 - 2¹ = 4044340420187 is a prime.

Together with 4044340420187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4044340420187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022170210094 + 2022170210095.

It is an arithmetic number, because the mean of its divisors is an integer number (2022170210095).

Almost surely, 2^{4044340420189} is an apocalyptic number.

It is an amenable number.

4044340420189 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044340420189 is an equidigital number, since it uses as much as digits as its factorization.

4044340420189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 4044340420189 in words is "four trillion, forty-four billion, three hundred forty million, four hundred twenty thousand, one hundred eighty-nine".