6859851728393 has 8 divisors (see below), whose sum is σ = 6890500256640. Its totient is φ = 6829219419120.

The previous prime is 6859851728329. The next prime is 6859851728399. The reversal of 6859851728393 is 3938271589586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6859851728393 - 2⁶ = 6859851728329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6859851728393.

It is not an unprimeable number, because it can be changed into a prime (6859851728399) 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 7 ways as a sum of consecutive naturals, for example, 3206555 + ... + 4899152.

It is an arithmetic number, because the mean of its divisors is an integer number (861312532080).

Almost surely, 2^{6859851728393} is an apocalyptic number.

It is an amenable number.

6859851728393 is a deficient number, since it is larger than the sum of its proper divisors (30648528247).

6859851728393 is a wasteful number, since it uses less digits than its factorization.

6859851728393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8109487.

The product of its digits is 783820800, while the sum is 74.

The spelling of 6859851728393 in words is "six trillion, eight hundred fifty-nine billion, eight hundred fifty-one million, seven hundred twenty-eight thousand, three hundred ninety-three".