8984654643 has 4 divisors (see below), whose sum is σ = 11979539528. Its totient is φ = 5989769760.

The previous prime is 8984654593. The next prime is 8984654647. The reversal of 8984654643 is 3464564898.

8984654643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8984654643 - 2⁸ = 8984654387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8984654647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1497442438 + ... + 1497442443.

It is an arithmetic number, because the mean of its divisors is an integer number (2994884882).

Almost surely, 2^8984654643 is an apocalyptic number.

8984654643 is a deficient number, since it is larger than the sum of its proper divisors (2994884885).

8984654643 is a wasteful number, since it uses less digits than its factorization.

8984654643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994884884.

The product of its digits is 19906560, while the sum is 57.

The square root of 8984654643 is about 94787.4181682358. The cubic root of 8984654643 is about 2078.9009420345.

The spelling of 8984654643 in words is "eight billion, nine hundred eighty-four million, six hundred fifty-four thousand, six hundred forty-three".