6820534329 has 16 divisors (see below), whose sum is σ = 10940206080. Its totient is φ = 3692319120.

The previous prime is 6820534289. The next prime is 6820534349. The reversal of 6820534329 is 9234350286.

It is not a de Polignac number, because 6820534329 - 2⁸ = 6820534073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6820534349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8546637 + ... + 8547434.

It is an arithmetic number, because the mean of its divisors is an integer number (683762880).

Almost surely, 2^6820534329 is an apocalyptic number.

It is an amenable number.

6820534329 is a deficient number, since it is larger than the sum of its proper divisors (4119671751).

6820534329 is a wasteful number, since it uses less digits than its factorization.

6820534329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17094100.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 6820534329 is about 82586.5263163429. The cubic root of 6820534329 is about 1896.4415695497.

The spelling of 6820534329 in words is "six billion, eight hundred twenty million, five hundred thirty-four thousand, three hundred twenty-nine".