8218152389 has 8 divisors (see below), whose sum is σ = 8420356032. Its totient is φ = 8016452640.

The previous prime is 8218152367. The next prime is 8218152391. The reversal of 8218152389 is 9832518128.

8218152389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8218152389 - 2²⁰ = 8217103813 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 (8218152329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92849 + ... + 158294.

It is an arithmetic number, because the mean of its divisors is an integer number (1052544504).

Almost surely, 2^8218152389 is an apocalyptic number.

It is an amenable number.

8218152389 is a deficient number, since it is larger than the sum of its proper divisors (202203643).

8218152389 is a wasteful number, since it uses less digits than its factorization.

8218152389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251947.

The product of its digits is 276480, while the sum is 47.

The square root of 8218152389 is about 90654.0257738177. The cubic root of 8218152389 is about 2018.0165798314.

The spelling of 8218152389 in words is "eight billion, two hundred eighteen million, one hundred fifty-two thousand, three hundred eighty-nine".