6851233444 has 36 divisors (see below), whose sum is σ = 13953950892. Its totient is φ = 2931005440.

The previous prime is 6851233421. The next prime is 6851233469. The reversal of 6851233444 is 4443321586.

It can be written as a sum of positive squares in 2 ways, for example, as 4517184100 + 2334049344 = 67210^2 + 48312^2 .

It is a super-2 number, since 2×6851233444² = 93878799408368202272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6851233397 and 6851233406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408109 + ... + 424564.

It is an arithmetic number, because the mean of its divisors is an integer number (387609747).

Almost surely, 2^6851233444 is an apocalyptic number.

It is an amenable number.

6851233444 is an abundant number, since it is smaller than the sum of its proper divisors (7102717448).

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

6851233444 is a wasteful number, since it uses less digits than its factorization.

6851233444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832716 (or 832703 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The square root of 6851233444 is about 82772.1779585387. The cubic root of 6851233444 is about 1899.2825956377.

The spelling of 6851233444 in words is "six billion, eight hundred fifty-one million, two hundred thirty-three thousand, four hundred forty-four".