6851223736 has 32 divisors (see below), whose sum is σ = 14696713440. Its totient is φ = 2933134848.

The previous prime is 6851223719. The next prime is 6851223749. The reversal of 6851223736 is 6373221586.

It is a junction number, because it is equal to n+sod(n) for n = 6851223692 and 6851223701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10821 + ... + 117556.

It is an arithmetic number, because the mean of its divisors is an integer number (459272295).

Almost surely, 2^6851223736 is an apocalyptic number.

It is an amenable number.

6851223736 is an abundant number, since it is smaller than the sum of its proper divisors (7845489704).

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

6851223736 is a wasteful number, since it uses less digits than its factorization.

6851223736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129343 (or 129339 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 6851223736 is about 82772.1193156246. The cubic root of 6851223736 is about 1899.2816985610.

The spelling of 6851223736 in words is "six billion, eight hundred fifty-one million, two hundred twenty-three thousand, seven hundred thirty-six".