6851273904 has 120 divisors (see below), whose sum is σ = 20409622272. Its totient is φ = 2138019840.

The previous prime is 6851273903. The next prime is 6851273909. The reversal of 6851273904 is 4093721586.

6851273904 is a `hidden beast` number, since 68 + 512 + 73 + 9 + 0 + 4 = 666.

6851273904 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

6851273904 is strictly pandigital in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6851273904.

It is not an unprimeable number, because it can be changed into a prime (6851273903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 460242 + ... + 474894.

It is a 1-persistent number, because it is pandigital, but 2⋅6851273904 = 13702547808 is not.

Almost surely, 2^6851273904 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 6851273904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10204811136).

6851273904 is an abundant number, since it is smaller than the sum of its proper divisors (13558348368).

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

6851273904 is a wasteful number, since it uses less digits than its factorization.

6851273904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14875 (or 14866 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 6851273904 is about 82772.4223639734. The cubic root of 6851273904 is about 1899.2863343719.

The spelling of 6851273904 in words is "six billion, eight hundred fifty-one million, two hundred seventy-three thousand, nine hundred four".