8689272443 has 4 divisors (see below), whose sum is σ = 8734766208. Its totient is φ = 8643778680.

The previous prime is 8689272421. The next prime is 8689272491. The reversal of 8689272443 is 3442729868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8689272443 - 2²⁸ = 8420836987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8689272643) 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 3 ways as a sum of consecutive naturals, for example, 22746596 + ... + 22746977.

It is an arithmetic number, because the mean of its divisors is an integer number (2183691552).

Almost surely, 2^8689272443 is an apocalyptic number.

8689272443 is a deficient number, since it is larger than the sum of its proper divisors (45493765).

8689272443 is a wasteful number, since it uses less digits than its factorization.

8689272443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45493764.

The product of its digits is 4644864, while the sum is 53.

The square root of 8689272443 is about 93216.2670514112. The cubic root of 8689272443 is about 2055.8644246467.

The spelling of 8689272443 in words is "eight billion, six hundred eighty-nine million, two hundred seventy-two thousand, four hundred forty-three".