8194234399 has 4 divisors (see below), whose sum is σ = 8824560136. Its totient is φ = 7563908664.

The previous prime is 8194234393. The next prime is 8194234417. The reversal of 8194234399 is 9934324918.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8194234399 - 2⁷ = 8194234271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8194234393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315162849 + ... + 315162874.

It is an arithmetic number, because the mean of its divisors is an integer number (2206140034).

Almost surely, 2^8194234399 is an apocalyptic number.

8194234399 is a deficient number, since it is larger than the sum of its proper divisors (630325737).

8194234399 is a wasteful number, since it uses less digits than its factorization.

8194234399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630325736.

The product of its digits is 1679616, while the sum is 52.

The square root of 8194234399 is about 90522.0105775385. The cubic root of 8194234399 is about 2016.0569422292.

The spelling of 8194234399 in words is "eight billion, one hundred ninety-four million, two hundred thirty-four thousand, three hundred ninety-nine".