4839944857 has 8 divisors (see below), whose sum is σ = 5285063520. Its totient is φ = 4395680160.

The previous prime is 4839944773. The next prime is 4839944903. The reversal of 4839944857 is 7584499384.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4839944857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4839944795 and 4839944804.

It is not an unprimeable number, because it can be changed into a prime (4839924857) 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, 201607 + ... + 224332.

It is an arithmetic number, because the mean of its divisors is an integer number (660632940).

Almost surely, 2^4839944857 is an apocalyptic number.

It is an amenable number.

4839944857 is a deficient number, since it is larger than the sum of its proper divisors (445118663).

4839944857 is a wasteful number, since it uses less digits than its factorization.

4839944857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426983.

The product of its digits is 34836480, while the sum is 61.

The square root of 4839944857 is about 69569.7122101278. The cubic root of 4839944857 is about 1691.5316875982.

The spelling of 4839944857 in words is "four billion, eight hundred thirty-nine million, nine hundred forty-four thousand, eight hundred fifty-seven".