6443165471 has 2 divisors, whose sum is σ = 6443165472. Its totient is φ = 6443165470.

The previous prime is 6443165453. The next prime is 6443165473. The reversal of 6443165471 is 1745613446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6443165471 - 2¹⁰ = 6443164447 is a prime.

It is a super-3 number, since 3×6443165471³ (a number of 30 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 6443165473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6443165473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221582735 + 3221582736.

It is an arithmetic number, because the mean of its divisors is an integer number (3221582736).

Almost surely, 2^6443165471 is an apocalyptic number.

6443165471 is a deficient number, since it is larger than the sum of its proper divisors (1).

6443165471 is an equidigital number, since it uses as much as digits as its factorization.

6443165471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 6443165471 is about 80269.3308244189. The cubic root of 6443165471 is about 1860.8002752562.

The spelling of 6443165471 in words is "six billion, four hundred forty-three million, one hundred sixty-five thousand, four hundred seventy-one".