8489653543 has 8 divisors (see below), whose sum is σ = 9704962080. Its totient is φ = 7274970240.

The previous prime is 8489653541. The next prime is 8489653559. The reversal of 8489653543 is 3453569848.

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 8489653543 - 2¹ = 8489653541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8489653541) 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, 126838 + ... + 181843.

It is an arithmetic number, because the mean of its divisors is an integer number (1213120260).

Almost surely, 2^8489653543 is an apocalyptic number.

8489653543 is a deficient number, since it is larger than the sum of its proper divisors (1215308537).

8489653543 is a wasteful number, since it uses less digits than its factorization.

8489653543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312617.

The product of its digits is 12441600, while the sum is 55.

The square root of 8489653543 is about 92139.3159460173. The cubic root of 8489653543 is about 2039.9991624212. Note that the first 3 decimals are identical.

The spelling of 8489653543 in words is "eight billion, four hundred eighty-nine million, six hundred fifty-three thousand, five hundred forty-three".