6853386620 has 24 divisors (see below), whose sum is σ = 14416164000. Its totient is φ = 2736773312.

The previous prime is 6853386619. The next prime is 6853386623. The reversal of 6853386620 is 266833586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6853386623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274055 + ... + 298014.

It is an arithmetic number, because the mean of its divisors is an integer number (600673500).

Almost surely, 2^6853386620 is an apocalyptic number.

It is an amenable number.

6853386620 is an abundant number, since it is smaller than the sum of its proper divisors (7562777380).

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

6853386620 is a wasteful number, since it uses less digits than its factorization.

6853386620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572677 (or 572675 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The square root of 6853386620 is about 82785.1835777393. The cubic root of 6853386620 is about 1899.4815409031.

The spelling of 6853386620 in words is "six billion, eight hundred fifty-three million, three hundred eighty-six thousand, six hundred twenty".