4243240222189 has 2 divisors, whose sum is σ = 4243240222190. Its totient is φ = 4243240222188.

The previous prime is 4243240222099. The next prime is 4243240222201. The reversal of 4243240222189 is 9812220423424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3027165015625 + 1216075206564 = 1739875^2 + 1102758^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243240222189 - 2¹⁵ = 4243240189421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4243240222489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121620111094 + 2121620111095.

It is an arithmetic number, because the mean of its divisors is an integer number (2121620111095).

Almost surely, 2^{4243240222189} is an apocalyptic number.

It is an amenable number.

4243240222189 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243240222189 is an equidigital number, since it uses as much as digits as its factorization.

4243240222189 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 4243240222189 in words is "four trillion, two hundred forty-three billion, two hundred forty million, two hundred twenty-two thousand, one hundred eighty-nine".