6444112205 has 8 divisors (see below), whose sum is σ = 7733386392. Its totient is φ = 5154988608.

The previous prime is 6444112189. The next prime is 6444112217. The reversal of 6444112205 is 5022114446.

It can be written as a sum of positive squares in 4 ways, for example, as 83411689 + 6360700516 = 9133^2 + 79754^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6444112205 - 2⁴ = 6444112189 is a prime.

It is a super-2 number, since 2×6444112205² = 83053164221259924050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 107099 + ... + 156071.

It is an arithmetic number, because the mean of its divisors is an integer number (966673299).

Almost surely, 2^6444112205 is an apocalyptic number.

It is an amenable number.

6444112205 is a deficient number, since it is larger than the sum of its proper divisors (1289274187).

6444112205 is a wasteful number, since it uses less digits than its factorization.

6444112205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75295.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 6444112205 is about 80275.2278414705. The cubic root of 6444112205 is about 1860.8914104091.

The spelling of 6444112205 in words is "six billion, four hundred forty-four million, one hundred twelve thousand, two hundred five".