8184142393 has 32 divisors (see below), whose sum is σ = 9710648064. Its totient is φ = 6752858112.

The previous prime is 8184142387. The next prime is 8184142433. The reversal of 8184142393 is 3932414818.

8184142393 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8184142393 - 2²¹ = 8182045241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8184142303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8376321 + ... + 8377297.

It is an arithmetic number, because the mean of its divisors is an integer number (303457752).

Almost surely, 2^8184142393 is an apocalyptic number.

It is an amenable number.

8184142393 is a deficient number, since it is larger than the sum of its proper divisors (1526505671).

8184142393 is a wasteful number, since it uses less digits than its factorization.

8184142393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441.

The product of its digits is 165888, while the sum is 43.

The square root of 8184142393 is about 90466.2500217623. The cubic root of 8184142393 is about 2015.2289447124.

The spelling of 8184142393 in words is "eight billion, one hundred eighty-four million, one hundred forty-two thousand, three hundred ninety-three".