6858384685 has 16 divisors (see below), whose sum is σ = 8665272000. Its totient is φ = 5196704256.

The previous prime is 6858384679. The next prime is 6858384721. The reversal of 6858384685 is 5864838586.

It is a cyclic number.

It is not a de Polignac number, because 6858384685 - 2⁹ = 6858384173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726717 + ... + 736093.

It is an arithmetic number, because the mean of its divisors is an integer number (541579500).

Almost surely, 2^6858384685 is an apocalyptic number.

It is an amenable number.

6858384685 is a deficient number, since it is larger than the sum of its proper divisors (1806887315).

6858384685 is a wasteful number, since it uses less digits than its factorization.

6858384685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17100.

The product of its digits is 44236800, while the sum is 61.

The square root of 6858384685 is about 82815.3650296852. The cubic root of 6858384685 is about 1899.9431825115.

The spelling of 6858384685 in words is "six billion, eight hundred fifty-eight million, three hundred eighty-four thousand, six hundred eighty-five".