6855389366 has 16 divisors (see below), whose sum is σ = 12443396256. Its totient is φ = 2765198976.

The previous prime is 6855389363. The next prime is 6855389371. The reversal of 6855389366 is 6639835586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6855389363) 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 7 ways as a sum of consecutive naturals, for example, 14401841 + ... + 14402316.

It is an arithmetic number, because the mean of its divisors is an integer number (777712266).

Almost surely, 2^6855389366 is an apocalyptic number.

6855389366 is a deficient number, since it is larger than the sum of its proper divisors (5588006890).

6855389366 is a wasteful number, since it uses less digits than its factorization.

6855389366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28804183.

The product of its digits is 27993600, while the sum is 59.

The square root of 6855389366 is about 82797.2787354754. The cubic root of 6855389366 is about 1899.6665496084. Note that the first 3 decimals are identical.

The spelling of 6855389366 in words is "six billion, eight hundred fifty-five million, three hundred eighty-nine thousand, three hundred sixty-six".