3718322866189 has 2 divisors, whose sum is σ = 3718322866190. Its totient is φ = 3718322866188.

The previous prime is 3718322866157. The next prime is 3718322866207. The reversal of 3718322866189 is 9816682238173.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2427504222025 + 1290818644164 = 1558045^2 + 1136142^2 .

It is an emirp because it is prime and its reverse (9816682238173) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3718322866189 - 2⁵ = 3718322866157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3718322866189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3718322866589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1859161433094 + 1859161433095.

It is an arithmetic number, because the mean of its divisors is an integer number (1859161433095).

Almost surely, 2^{3718322866189} is an apocalyptic number.

It is an amenable number.

3718322866189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3718322866189 is an equidigital number, since it uses as much as digits as its factorization.

3718322866189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41803776, while the sum is 64.

The spelling of 3718322866189 in words is "three trillion, seven hundred eighteen billion, three hundred twenty-two million, eight hundred sixty-six thousand, one hundred eighty-nine".