6889325648 has 20 divisors (see below), whose sum is σ = 13350568500. Its totient is φ = 3444017664.

The previous prime is 6889325627. The next prime is 6889325717. The reversal of 6889325648 is 8465239886.

It can be written as a sum of positive squares in 2 ways, for example, as 42094144 + 6847231504 = 6488^2 + 82748^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54536 + ... + 129432.

It is an arithmetic number, because the mean of its divisors is an integer number (667528425).

Almost surely, 2^6889325648 is an apocalyptic number.

It is an amenable number.

6889325648 is a deficient number, since it is larger than the sum of its proper divisors (6461242852).

6889325648 is a wasteful number, since it uses less digits than its factorization.

6889325648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80654 (or 80648 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 59.

The square root of 6889325648 is about 83001.9617117572. The cubic root of 6889325648 is about 1902.7960355123.

The spelling of 6889325648 in words is "six billion, eight hundred eighty-nine million, three hundred twenty-five thousand, six hundred forty-eight".