8489526473 has 4 divisors (see below), whose sum is σ = 8493155268. Its totient is φ = 8485897680.

The previous prime is 8489526467. The next prime is 8489526499. The reversal of 8489526473 is 3746259848.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2303232064 + 6186294409 = 47992^2 + 78653^2 .

It is a cyclic number.

It is not a de Polignac number, because 8489526473 - 2⁸ = 8489526217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8489526443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1810886 + ... + 1815567.

It is an arithmetic number, because the mean of its divisors is an integer number (2123288817).

Almost surely, 2^8489526473 is an apocalyptic number.

It is an amenable number.

8489526473 is a deficient number, since it is larger than the sum of its proper divisors (3628795).

8489526473 is a wasteful number, since it uses less digits than its factorization.

8489526473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628794.

The product of its digits is 11612160, while the sum is 56.

The square root of 8489526473 is about 92138.6263898046. The cubic root of 8489526473 is about 2039.9889843856.

The spelling of 8489526473 in words is "eight billion, four hundred eighty-nine million, five hundred twenty-six thousand, four hundred seventy-three".