1193442818089 has 2 divisors, whose sum is σ = 1193442818090. Its totient is φ = 1193442818088.

The previous prime is 1193442818083. The next prime is 1193442818093. The reversal of 1193442818089 is 9808182443911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 694430555625 + 499012262464 = 833325^2 + 706408^2 .

It is a cyclic number.

It is not a de Polignac number, because 1193442818089 - 2²⁷ = 1193308600361 is a prime.

It is a super-2 number, since 2×1193442818089² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1193442818083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 596721409044 + 596721409045.

It is an arithmetic number, because the mean of its divisors is an integer number (596721409045).

Almost surely, 2^{1193442818089} is an apocalyptic number.

It is an amenable number.

1193442818089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1193442818089 is an equidigital number, since it uses as much as digits as its factorization.

1193442818089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3981312, while the sum is 58.

The spelling of 1193442818089 in words is "one trillion, one hundred ninety-three billion, four hundred forty-two million, eight hundred eighteen thousand, eighty-nine".