6709821846 has 128 divisors (see below), whose sum is σ = 17340825600. Its totient is φ = 1683262080.

The previous prime is 6709821827. The next prime is 6709821847. The reversal of 6709821846 is 6481289076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6709821847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 995275 + ... + 1001993.

It is an arithmetic number, because the mean of its divisors is an integer number (135475200).

Almost surely, 2^6709821846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6709821846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8670412800).

6709821846 is an abundant number, since it is smaller than the sum of its proper divisors (10631003754).

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

6709821846 is a wasteful number, since it uses less digits than its factorization.

6709821846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 6709821846 is about 81913.5022203300. The cubic root of 6709821846 is about 1886.1243842145.

The spelling of 6709821846 in words is "six billion, seven hundred nine million, eight hundred twenty-one thousand, eight hundred forty-six".