8194444369 has 2 divisors, whose sum is σ = 8194444370. Its totient is φ = 8194444368.

The previous prime is 8194444273. The next prime is 8194444403. The reversal of 8194444369 is 9634444918.

8194444369 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8183554369 + 10890000 = 90463^2 + 3300^2 .

It is a cyclic number.

It is not a de Polignac number, because 8194444369 - 2¹⁹ = 8193920081 is a prime.

It is a super-2 number, since 2×8194444369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8194447369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4097222184 + 4097222185.

It is an arithmetic number, because the mean of its divisors is an integer number (4097222185).

Almost surely, 2^8194444369 is an apocalyptic number.

It is an amenable number.

8194444369 is a deficient number, since it is larger than the sum of its proper divisors (1).

8194444369 is an equidigital number, since it uses as much as digits as its factorization.

8194444369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 52.

The square root of 8194444369 is about 90523.1703432884. The cubic root of 8194444369 is about 2016.0741619734.

The spelling of 8194444369 in words is "eight billion, one hundred ninety-four million, four hundred forty-four thousand, three hundred sixty-nine".