8531643113 has 8 divisors (see below), whose sum is σ = 10013975232. Its totient is φ = 7115192496.

The previous prime is 8531643097. The next prime is 8531643143. The reversal of 8531643113 is 3113461358.

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 8531643113 - 2⁴ = 8531643097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8531643143) 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, 16470095 + ... + 16470612.

It is an arithmetic number, because the mean of its divisors is an integer number (1251746904).

Almost surely, 2^8531643113 is an apocalyptic number.

It is an amenable number.

8531643113 is a deficient number, since it is larger than the sum of its proper divisors (1482332119).

8531643113 is a wasteful number, since it uses less digits than its factorization.

8531643113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32940751.

The product of its digits is 25920, while the sum is 35.

The square root of 8531643113 is about 92366.8940313574. The cubic root of 8531643113 is about 2043.3568908296.

The spelling of 8531643113 in words is "eight billion, five hundred thirty-one million, six hundred forty-three thousand, one hundred thirteen".