8189475841 has 8 divisors (see below), whose sum is σ = 9048219264. Its totient is φ = 7372622400.

The previous prime is 8189475839. The next prime is 8189475857. The reversal of 8189475841 is 1485749818.

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

It is not a de Polignac number, because 8189475841 - 2¹ = 8189475839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8189475881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10472085 + ... + 10472866.

It is an arithmetic number, because the mean of its divisors is an integer number (1131027408).

Almost surely, 2^8189475841 is an apocalyptic number.

It is an amenable number.

8189475841 is a deficient number, since it is larger than the sum of its proper divisors (858743423).

8189475841 is a wasteful number, since it uses less digits than its factorization.

8189475841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20944991.

The product of its digits is 2580480, while the sum is 55.

The square root of 8189475841 is about 90495.7227773777. The cubic root of 8189475841 is about 2015.6666116189. Note that the first 4 decimals are identical.

The spelling of 8189475841 in words is "eight billion, one hundred eighty-nine million, four hundred seventy-five thousand, eight hundred forty-one".