6839949744 has 200 divisors, whose sum is σ = 20655106560. Its totient is φ = 2182505472.

The previous prime is 6839949733. The next prime is 6839949749. The reversal of 6839949744 is 4479499386.

It is not an unprimeable number, because it can be changed into a prime (6839949749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4772452 + ... + 4773884.

Almost surely, 2^6839949744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6839949744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10327553280).

6839949744 is an abundant number, since it is smaller than the sum of its proper divisors (13815156816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6839949744 is a wasteful number, since it uses less digits than its factorization.

6839949744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1594 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The square root of 6839949744 is about 82703.9886825297. The cubic root of 6839949744 is about 1898.2393425618.

The spelling of 6839949744 in words is "six billion, eight hundred thirty-nine million, nine hundred forty-nine thousand, seven hundred forty-four".