6851283272 has 32 divisors (see below), whose sum is σ = 12896868600. Its totient is φ = 3412147200.

The previous prime is 6851283233. The next prime is 6851283289. The reversal of 6851283272 is 2723821586.

It can be written as a sum of positive squares in 4 ways, for example, as 3705643876 + 3145639396 = 60874^2 + 56086^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 2966054 + ... + 2968362.

Almost surely, 2^6851283272 is an apocalyptic number.

It is an amenable number.

6851283272 is a deficient number, since it is larger than the sum of its proper divisors (6045585328).

6851283272 is a wasteful number, since it uses less digits than its factorization.

6851283272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617 (or 3613 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 6851283272 is about 82772.4789528500. The cubic root of 6851283272 is about 1899.2872000263.

The spelling of 6851283272 in words is "six billion, eight hundred fifty-one million, two hundred eighty-three thousand, two hundred seventy-two".