6856849736 has 32 divisors (see below), whose sum is σ = 14078750400. Its totient is φ = 3104888640.

The previous prime is 6856849729. The next prime is 6856849739. The reversal of 6856849736 is 6379486586.

It is not an unprimeable number, because it can be changed into a prime (6856849739) 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, 124991 + ... + 171278.

It is an arithmetic number, because the mean of its divisors is an integer number (439960950).

Almost surely, 2^6856849736 is an apocalyptic number.

It is an amenable number.

6856849736 is an abundant number, since it is smaller than the sum of its proper divisors (7221900664).

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

6856849736 is a wasteful number, since it uses less digits than its factorization.

6856849736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296549 (or 296545 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 62.

The square root of 6856849736 is about 82806.0972151206. The cubic root of 6856849736 is about 1899.8014322495.

The spelling of 6856849736 in words is "six billion, eight hundred fifty-six million, eight hundred forty-nine thousand, seven hundred thirty-six".