6444106171 has 4 divisors (see below), whose sum is σ = 6532381672. Its totient is φ = 6355830672.

The previous prime is 6444106133. The next prime is 6444106219. The reversal of 6444106171 is 1716014446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6444106171 - 2⁹ = 6444105659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6444106771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44137641 + ... + 44137786.

It is an arithmetic number, because the mean of its divisors is an integer number (1633095418).

Almost surely, 2^6444106171 is an apocalyptic number.

6444106171 is a deficient number, since it is larger than the sum of its proper divisors (88275501).

6444106171 is an equidigital number, since it uses as much as digits as its factorization.

6444106171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88275500.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 6444106171 is about 80275.1902582610. The cubic root of 6444106171 is about 1860.8908295883.

The spelling of 6444106171 in words is "six billion, four hundred forty-four million, one hundred six thousand, one hundred seventy-one".