444256669669 has 4 divisors (see below), whose sum is σ = 444652268896. Its totient is φ = 443861070444.

The previous prime is 444256669643. The next prime is 444256669673. The reversal of 444256669669 is 966966652444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 444256669669 - 2¹³ = 444256661477 is a prime.

It is a super-3 number, since 3×444256669669³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444256669609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197797929 + ... + 197800174.

It is an arithmetic number, because the mean of its divisors is an integer number (111163067224).

Almost surely, 2^444256669669 is an apocalyptic number.

It is an amenable number.

444256669669 is a deficient number, since it is larger than the sum of its proper divisors (395599227).

444256669669 is a wasteful number, since it uses less digits than its factorization.

444256669669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395599226.

The product of its digits is 403107840, while the sum is 67.

The spelling of 444256669669 in words is "four hundred forty-four billion, two hundred fifty-six million, six hundred sixty-nine thousand, six hundred sixty-nine".