9444405051205 has 4 divisors (see below), whose sum is σ = 11333286061452. Its totient is φ = 7555524040960.

The previous prime is 9444405051199. The next prime is 9444405051241. The reversal of 9444405051205 is 5021505044449.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2402382201444 + 7042022849761 = 1549962^2 + 2653681^2 .

It is not a de Polignac number, because 9444405051205 - 2⁹ = 9444405050693 is a prime.

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944440505116 + ... + 944440505125.

It is an arithmetic number, because the mean of its divisors is an integer number (2833321515363).

Almost surely, 2^{9444405051205} is an apocalyptic number.

It is an amenable number.

9444405051205 is a deficient number, since it is larger than the sum of its proper divisors (1888881010247).

9444405051205 is a wasteful number, since it uses less digits than its factorization.

9444405051205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888881010246.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 9444405051205 in words is "nine trillion, four hundred forty-four billion, four hundred five million, fifty-one thousand, two hundred five".