8394018899 has 8 divisors (see below), whose sum is σ = 9668702208. Its totient is φ = 7138220040.

The previous prime is 8394018881. The next prime is 8394018917. The reversal of 8394018899 is 9988104938.

It is an interprime number because it is at equal distance from previous prime (8394018881) and next prime (8394018917).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-8394018899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8394018859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4720157 + ... + 4721934.

It is an arithmetic number, because the mean of its divisors is an integer number (1208587776).

Almost surely, 2^8394018899 is an apocalyptic number.

8394018899 is a deficient number, since it is larger than the sum of its proper divisors (1274683309).

8394018899 is a wasteful number, since it uses less digits than its factorization.

8394018899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9442225.

The product of its (nonzero) digits is 4478976, while the sum is 59.

The square root of 8394018899 is about 91618.8785076526. The cubic root of 8394018899 is about 2032.3101253202.

The spelling of 8394018899 in words is "eight billion, three hundred ninety-four million, eighteen thousand, eight hundred ninety-nine".