6809041556 has 12 divisors (see below), whose sum is σ = 12117786240. Its totient is φ = 3346816920.

The previous prime is 6809041549. The next prime is 6809041559. The reversal of 6809041556 is 6551409086.

It is a super-2 number, since 2×6809041556² = 92726093822669802272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6809041559) 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, 14425700 + ... + 14426171.

It is an arithmetic number, because the mean of its divisors is an integer number (1009815520).

Almost surely, 2^6809041556 is an apocalyptic number.

It is an amenable number.

6809041556 is a deficient number, since it is larger than the sum of its proper divisors (5308744684).

6809041556 is a wasteful number, since it uses less digits than its factorization.

6809041556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28851934 (or 28851932 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 6809041556 is about 82516.9167868020. The cubic root of 6809041556 is about 1895.3757866845.

The spelling of 6809041556 in words is "six billion, eight hundred nine million, forty-one thousand, five hundred fifty-six".