6826836909 has 4 divisors (see below), whose sum is σ = 9102449216. Its totient is φ = 4551224604.

The previous prime is 6826836883. The next prime is 6826836917. The reversal of 6826836909 is 9096386286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6826836909 - 2⁹ = 6826836397 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 (6826836209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137806149 + ... + 1137806154.

It is an arithmetic number, because the mean of its divisors is an integer number (2275612304).

Almost surely, 2^6826836909 is an apocalyptic number.

It is an amenable number.

6826836909 is a deficient number, since it is larger than the sum of its proper divisors (2275612307).

6826836909 is a wasteful number, since it uses less digits than its factorization.

6826836909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275612306.

The product of its (nonzero) digits is 6718464, while the sum is 57.

The square root of 6826836909 is about 82624.6749403591. The cubic root of 6826836909 is about 1897.0255313734.

The spelling of 6826836909 in words is "six billion, eight hundred twenty-six million, eight hundred thirty-six thousand, nine hundred nine".