6829963209 has 6 divisors (see below), whose sum is σ = 9865502426. Its totient is φ = 4553308800.

The previous prime is 6829963207. The next prime is 6829963213. The reversal of 6829963209 is 9023699286.

It can be written as a sum of positive squares in only one way, i.e., 6756346809 + 73616400 = 82197^2 + 8580^2 .

It is not a de Polignac number, because 6829963209 - 2¹ = 6829963207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6829963207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 379442392 + ... + 379442409.

Almost surely, 2^6829963209 is an apocalyptic number.

It is an amenable number.

6829963209 is a deficient number, since it is larger than the sum of its proper divisors (3035539217).

6829963209 is a wasteful number, since it uses less digits than its factorization.

6829963209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758884807 (or 758884804 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The square root of 6829963209 is about 82643.5914575353. The cubic root of 6829963209 is about 1897.3150635011.

The spelling of 6829963209 in words is "six billion, eight hundred twenty-nine million, nine hundred sixty-three thousand, two hundred nine".