4389224643 has 6 divisors (see below), whose sum is σ = 6339991164. Its totient is φ = 2926149756.

The previous prime is 4389224633. The next prime is 4389224681. The reversal of 4389224643 is 3464229834.

4389224643 is a `hidden beast` number, since 4 + 389 + 224 + 6 + 43 = 666.

It is not a de Polignac number, because 4389224643 - 2⁹ = 4389224131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4389224633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243845805 + ... + 243845822.

It is an arithmetic number, because the mean of its divisors is an integer number (1056665194).

Almost surely, 2^4389224643 is an apocalyptic number.

4389224643 is a deficient number, since it is larger than the sum of its proper divisors (1950766521).

4389224643 is a wasteful number, since it uses less digits than its factorization.

4389224643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487691633 (or 487691630 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The square root of 4389224643 is about 66251.2237094531. The cubic root of 4389224643 is about 1637.3037994090.

The spelling of 4389224643 in words is "four billion, three hundred eighty-nine million, two hundred twenty-four thousand, six hundred forty-three".