6171736889 has 2 divisors, whose sum is σ = 6171736890. Its totient is φ = 6171736888.

The previous prime is 6171736871. The next prime is 6171736891. The reversal of 6171736889 is 9886371716.

6171736889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5637757225 + 533979664 = 75085^2 + 23108^2 .

It is a cyclic number.

It is not a de Polignac number, because 6171736889 - 2²⁸ = 5903301433 is a prime.

Together with 6171736891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6171736849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3085868444 + 3085868445.

It is an arithmetic number, because the mean of its divisors is an integer number (3085868445).

Almost surely, 2^6171736889 is an apocalyptic number.

It is an amenable number.

6171736889 is a deficient number, since it is larger than the sum of its proper divisors (1).

6171736889 is an equidigital number, since it uses as much as digits as its factorization.

6171736889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 56.

The square root of 6171736889 is about 78560.4028057392. The cubic root of 6171736889 is about 1834.2947978091.

The spelling of 6171736889 in words is "six billion, one hundred seventy-one million, seven hundred thirty-six thousand, eight hundred eighty-nine".