6739189056 has 84 divisors (see below), whose sum is σ = 19338513012. Its totient is φ = 2243856384.

The previous prime is 6739189043. The next prime is 6739189091. The reversal of 6739189056 is 6509819376.

It can be written as a sum of positive squares in 2 ways, for example, as 1537894656 + 5201294400 = 39216^2 + 72120^2 .

It is a super-3 number, since 3×6739189056³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6739188993 and 6739189011.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 542790 + ... + 555066.

It is an arithmetic number, because the mean of its divisors is an integer number (230220393).

Almost surely, 2^6739189056 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 6739189056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9669256506).

6739189056 is an abundant number, since it is smaller than the sum of its proper divisors (12599323956).

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

6739189056 is a wasteful number, since it uses less digits than its factorization.

6739189056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13248 (or 13235 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 6739189056 is about 82092.5639507014. The cubic root of 6739189056 is about 1888.8720774903.

The spelling of 6739189056 in words is "six billion, seven hundred thirty-nine million, one hundred eighty-nine thousand, fifty-six".