444413450226463 has 4 divisors (see below), whose sum is σ = 459738051958440. Its totient is φ = 429088848494488.

The previous prime is 444413450226373. The next prime is 444413450226593. The reversal of 444413450226463 is 364622054314444.

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 444413450226463 - 2⁹ = 444413450225951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444413450226463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444413450220463) by changing a digit.

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, 7662300865945 + ... + 7662300866002.

It is an arithmetic number, because the mean of its divisors is an integer number (114934512989610).

Almost surely, 2^{444413450226463} is an apocalyptic number.

444413450226463 is a deficient number, since it is larger than the sum of its proper divisors (15324601731977).

444413450226463 is a wasteful number, since it uses less digits than its factorization.

444413450226463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15324601731976.

The product of its (nonzero) digits is 26542080, while the sum is 52.

The spelling of 444413450226463 in words is "four hundred forty-four trillion, four hundred thirteen billion, four hundred fifty million, two hundred twenty-six thousand, four hundred sixty-three".