4389742826 has 16 divisors (see below), whose sum is σ = 7728660096. Its totient is φ = 1830471696.

The previous prime is 4389742787. The next prime is 4389742829. The reversal of 4389742826 is 6282479834.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4389742829) 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, 4236686 + ... + 4237721.

It is an arithmetic number, because the mean of its divisors is an integer number (483041256).

Almost surely, 2^4389742826 is an apocalyptic number.

4389742826 is a deficient number, since it is larger than the sum of its proper divisors (3338917270).

4389742826 is a wasteful number, since it uses less digits than its factorization.

4389742826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8474453.

The product of its digits is 4644864, while the sum is 53.

The square root of 4389742826 is about 66255.1343368950. The cubic root of 4389742826 is about 1637.3682291340.

The spelling of 4389742826 in words is "four billion, three hundred eighty-nine million, seven hundred forty-two thousand, eight hundred twenty-six".