6853858851356 has 48 divisors (see below), whose sum is σ = 13202640124800. Its totient is φ = 3087404579520.

The previous prime is 6853858851311. The next prime is 6853858851377. The reversal of 6853858851356 is 6531588583586.

It is a self number, because there is not a number n which added to its sum of digits gives 6853858851356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133915 + ... + 3872141.

It is an arithmetic number, because the mean of its divisors is an integer number (275055002600).

Almost surely, 2^{6853858851356} is an apocalyptic number.

It is an amenable number.

6853858851356 is a deficient number, since it is larger than the sum of its proper divisors (6348781273444).

6853858851356 is a wasteful number, since it uses less digits than its factorization.

6853858851356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738754 (or 2738752 counting only the distinct ones).

The product of its digits is 829440000, while the sum is 71.

The spelling of 6853858851356 in words is "six trillion, eight hundred fifty-three billion, eight hundred fifty-eight million, eight hundred fifty-one thousand, three hundred fifty-six".