6810436197 has 12 divisors (see below), whose sum is σ = 9840022764. Its totient is φ = 4539032640.

The previous prime is 6810436189. The next prime is 6810436219. The reversal of 6810436197 is 7916340186.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 335659041 + 6474777156 = 18321^2 + 80466^2 .

It is not a de Polignac number, because 6810436197 - 2³ = 6810436189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6810436397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69954 + ... + 136067.

It is an arithmetic number, because the mean of its divisors is an integer number (820001897).

Almost surely, 2^6810436197 is an apocalyptic number.

It is an amenable number.

6810436197 is a deficient number, since it is larger than the sum of its proper divisors (3029586567).

6810436197 is a wasteful number, since it uses less digits than its factorization.

6810436197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209700 (or 209697 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 6810436197 is about 82525.3669910047. The cubic root of 6810436197 is about 1895.5051826897.

The spelling of 6810436197 in words is "six billion, eight hundred ten million, four hundred thirty-six thousand, one hundred ninety-seven".