6659341389 has 12 divisors (see below), whose sum is σ = 9619882272. Its totient is φ = 4439176200.

The previous prime is 6659341361. The next prime is 6659341397. The reversal of 6659341389 is 9831439566.

6659341389 is a `hidden beast` number, since 6 + 6 + 593 + 41 + 3 + 8 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-6659341389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6659341349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111304 + ... + 160334.

It is an arithmetic number, because the mean of its divisors is an integer number (801656856).

Almost surely, 2^6659341389 is an apocalyptic number.

It is an amenable number.

6659341389 is a deficient number, since it is larger than the sum of its proper divisors (2960540883).

6659341389 is a wasteful number, since it uses less digits than its factorization.

6659341389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64128 (or 64125 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 6659341389 is about 81604.7877823354. The cubic root of 6659341389 is about 1881.3824701087.

The spelling of 6659341389 in words is "six billion, six hundred fifty-nine million, three hundred forty-one thousand, three hundred eighty-nine".