8643642483 has 48 divisors (see below), whose sum is σ = 13790835360. Its totient is φ = 4798047744.

The previous prime is 8643642481. The next prime is 8643642499. The reversal of 8643642483 is 3842463468.

It is not a de Polignac number, because 8643642483 - 2¹ = 8643642481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8643642481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6031135 + ... + 6032567.

It is an arithmetic number, because the mean of its divisors is an integer number (287309070).

Almost surely, 2^8643642483 is an apocalyptic number.

8643642483 is a deficient number, since it is larger than the sum of its proper divisors (5147192877).

8643642483 is a wasteful number, since it uses less digits than its factorization.

8643642483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596 (or 2589 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 48.

The square root of 8643642483 is about 92971.1916832306. The cubic root of 8643642483 is about 2052.2594546803.

The spelling of 8643642483 in words is "eight billion, six hundred forty-three million, six hundred forty-two thousand, four hundred eighty-three".