6804836899569 has 24 divisors (see below), whose sum is σ = 10168275148200. Its totient is φ = 4380069738240.

The previous prime is 6804836899561. The next prime is 6804836899571. The reversal of 6804836899569 is 9659986384086.

6804836899569 is a `hidden beast` number, since 6 + 8 + 0 + 48 + 3 + 6 + 8 + 9 + 9 + 569 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3031996835169 + 3772840064400 = 1741263^2 + 1942380^2 .

It is not a de Polignac number, because 6804836899569 - 2³ = 6804836899561 is a prime.

It is a super-2 number, since 2×6804836899569² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6804836899561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35004699 + ... + 35198559.

It is an arithmetic number, because the mean of its divisors is an integer number (423678131175).

Almost surely, 2^{6804836899569} is an apocalyptic number.

It is an amenable number.

6804836899569 is a deficient number, since it is larger than the sum of its proper divisors (3363438248631).

6804836899569 is a wasteful number, since it uses less digits than its factorization.

6804836899569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328385 (or 328382 counting only the distinct ones).

The product of its (nonzero) digits is 4837294080, while the sum is 81.

The spelling of 6804836899569 in words is "six trillion, eight hundred four billion, eight hundred thirty-six million, eight hundred ninety-nine thousand, five hundred sixty-nine".