8189555913 has 96 divisors (see below), whose sum is σ = 15637020672. Its totient is φ = 4005417600.

The previous prime is 8189555909. The next prime is 8189555929. The reversal of 8189555913 is 3195559818.

It is a happy number.

8189555913 is a `hidden beast` number, since 8 + 1 + 89 + 5 + 559 + 1 + 3 = 666.

It is not a de Polignac number, because 8189555913 - 2² = 8189555909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8189555913.

It is not an unprimeable number, because it can be changed into a prime (8189555903) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 789720 + ... + 800022.

It is an arithmetic number, because the mean of its divisors is an integer number (162885632).

Almost surely, 2^8189555913 is an apocalyptic number.

It is an amenable number.

8189555913 is a deficient number, since it is larger than the sum of its proper divisors (7447464759).

8189555913 is a wasteful number, since it uses less digits than its factorization.

8189555913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10395 (or 10392 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 54.

The square root of 8189555913 is about 90496.1651839458. The cubic root of 8189555913 is about 2015.6731809417.

The spelling of 8189555913 in words is "eight billion, one hundred eighty-nine million, five hundred fifty-five thousand, nine hundred thirteen".