8993194169 has 2 divisors, whose sum is σ = 8993194170. Its totient is φ = 8993194168.

The previous prime is 8993194151. The next prime is 8993194181. The reversal of 8993194169 is 9614913998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6656438569 + 2336755600 = 81587^2 + 48340^2 .

It is a cyclic number.

It is not a de Polignac number, because 8993194169 - 2¹⁶ = 8993128633 is a prime.

It is a super-2 number, since 2×8993194169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8993194069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4496597084 + 4496597085.

It is an arithmetic number, because the mean of its divisors is an integer number (4496597085).

Almost surely, 2^8993194169 is an apocalyptic number.

It is an amenable number.

8993194169 is a deficient number, since it is larger than the sum of its proper divisors (1).

8993194169 is an equidigital number, since it uses as much as digits as its factorization.

8993194169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3779136, while the sum is 59.

The square root of 8993194169 is about 94832.4531423710. The cubic root of 8993194169 is about 2079.5593686477.

The spelling of 8993194169 in words is "eight billion, nine hundred ninety-three million, one hundred ninety-four thousand, one hundred sixty-nine".