6844217697 has 12 divisors (see below), whose sum is σ = 10467627300. Its totient is φ = 4294411008.

The previous prime is 6844217689. The next prime is 6844217713. The reversal of 6844217697 is 7967124486.

6844217697 is a `hidden beast` number, since 68 + 4 + 421 + 76 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4939418961 + 1904798736 = 70281^2 + 43644^2 .

It is not a de Polignac number, because 6844217697 - 2³ = 6844217689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6844217797) 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 11 ways as a sum of consecutive naturals, for example, 22366572 + ... + 22366877.

It is an arithmetic number, because the mean of its divisors is an integer number (872302275).

Almost surely, 2^6844217697 is an apocalyptic number.

It is an amenable number.

6844217697 is a deficient number, since it is larger than the sum of its proper divisors (3623409603).

6844217697 is a wasteful number, since it uses less digits than its factorization.

6844217697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44733472 (or 44733469 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 6844217697 is about 82729.7872413558. The cubic root of 6844217697 is about 1898.6340780068.

The spelling of 6844217697 in words is "six billion, eight hundred forty-four million, two hundred seventeen thousand, six hundred ninety-seven".