6839488464 has 20 divisors (see below), whose sum is σ = 17668678656. Its totient is φ = 2279829472.

The previous prime is 6839488459. The next prime is 6839488483. The reversal of 6839488464 is 4648849386.

It is a junction number, because it is equal to n+sod(n) for n = 6839488398 and 6839488407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71244624 + ... + 71244719.

Almost surely, 2^6839488464 is an apocalyptic number.

It is an amenable number.

6839488464 is an abundant number, since it is smaller than the sum of its proper divisors (10829190192).

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

6839488464 is a wasteful number, since it uses less digits than its factorization.

6839488464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142489354 (or 142489348 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 60.

The square root of 6839488464 is about 82701.1998945602. The cubic root of 6839488464 is about 1898.1966697567.

The spelling of 6839488464 in words is "six billion, eight hundred thirty-nine million, four hundred eighty-eight thousand, four hundred sixty-four".