8189305065 has 32 divisors (see below), whose sum is σ = 14897351040. Its totient is φ = 4266053568.

The previous prime is 8189305057. The next prime is 8189305133. The reversal of 8189305065 is 5605039818.

It is not a de Polignac number, because 8189305065 - 2³ = 8189305057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8189305065.

It is an unprimeable number.

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, 699562 + ... + 711171.

It is an arithmetic number, because the mean of its divisors is an integer number (465542220).

Almost surely, 2^8189305065 is an apocalyptic number.

It is an amenable number.

8189305065 is a deficient number, since it is larger than the sum of its proper divisors (6708045975).

8189305065 is a wasteful number, since it uses less digits than its factorization.

8189305065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410790 (or 1410784 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 8189305065 is about 90494.7792140519. The cubic root of 8189305065 is about 2015.6526005523.

The spelling of 8189305065 in words is "eight billion, one hundred eighty-nine million, three hundred five thousand, sixty-five".