6829375221 has 8 divisors (see below), whose sum is σ = 10117592960. Its totient is φ = 4552916796.

The previous prime is 6829375199. The next prime is 6829375291. The reversal of 6829375221 is 1225739286.

It is not a de Polignac number, because 6829375221 - 2⁷ = 6829375093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6829375291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126469885 + ... + 126469938.

It is an arithmetic number, because the mean of its divisors is an integer number (1264699120).

Almost surely, 2^6829375221 is an apocalyptic number.

It is an amenable number.

6829375221 is a deficient number, since it is larger than the sum of its proper divisors (3288217739).

6829375221 is a wasteful number, since it uses less digits than its factorization.

6829375221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252939832 (or 252939826 counting only the distinct ones).

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

The square root of 6829375221 is about 82640.0340089475. The cubic root of 6829375221 is about 1897.2606156478.

The spelling of 6829375221 in words is "six billion, eight hundred twenty-nine million, three hundred seventy-five thousand, two hundred twenty-one".