6771345589 has 2 divisors, whose sum is σ = 6771345590. Its totient is φ = 6771345588.

The previous prime is 6771345551. The next prime is 6771345619. The reversal of 6771345589 is 9855431776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4226950225 + 2544395364 = 65015^2 + 50442^2 .

It is a cyclic number.

It is not a de Polignac number, because 6771345589 - 2¹¹ = 6771343541 is a prime.

It is a super-2 number, since 2×6771345589² = 91702242171339513842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6771345289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3385672794 + 3385672795.

It is an arithmetic number, because the mean of its divisors is an integer number (3385672795).

Almost surely, 2^6771345589 is an apocalyptic number.

It is an amenable number.

6771345589 is a deficient number, since it is larger than the sum of its proper divisors (1).

6771345589 is an equidigital number, since it uses as much as digits as its factorization.

6771345589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 55.

The square root of 6771345589 is about 82288.1862055544. The cubic root of 6771345589 is about 1891.8716087541.

The spelling of 6771345589 in words is "six billion, seven hundred seventy-one million, three hundred forty-five thousand, five hundred eighty-nine".