444444444444463 has 4 divisors (see below), whose sum is σ = 446173800259680. Its totient is φ = 442715088629248.

The previous prime is 444444444444461. The next prime is 444444444444491. The reversal of 444444444444463 is 364444444444444.

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 444444444444463 - 2¹ = 444444444444461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444444444444461) 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, 864677907223 + ... + 864677907736.

It is an arithmetic number, because the mean of its divisors is an integer number (111543450064920).

Almost surely, 2^{444444444444463} is an apocalyptic number.

444444444444463 is a deficient number, since it is larger than the sum of its proper divisors (1729355815217).

444444444444463 is a wasteful number, since it uses less digits than its factorization.

444444444444463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729355815216.

The product of its digits is 1207959552, while the sum is 61.

It can be divided in two parts, 4444444444444 and 63, that multiplied together give a palindrome (279999999999972).

The spelling of 444444444444463 in words is "four hundred forty-four trillion, four hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred sixty-three".