6849872896 has 44 divisors (see below), whose sum is σ = 13847095260. Its totient is φ = 3386408960.

The previous prime is 6849872851. The next prime is 6849872899. The reversal of 6849872896 is 6982789486.

It can be written as a sum of positive squares in 2 ways, for example, as 1803191296 + 5046681600 = 42464^2 + 71040^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6849872899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53556 + ... + 128716.

Almost surely, 2^6849872896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6849872896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6923547630).

6849872896 is an abundant number, since it is smaller than the sum of its proper divisors (6997222364).

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

6849872896 is an equidigital number, since it uses as much as digits as its factorization.

6849872896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75270 (or 75252 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 67.

The square root of 6849872896 is about 82763.9589193267. The cubic root of 6849872896 is about 1899.1568646906.

The spelling of 6849872896 in words is "six billion, eight hundred forty-nine million, eight hundred seventy-two thousand, eight hundred ninety-six".