444744574142663 has 4 divisors (see below), whose sum is σ = 444751206150408. Its totient is φ = 444737942134920.

The previous prime is 444744574142633. The next prime is 444744574142717. The reversal of 444744574142663 is 366241475447444.

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 444744574142663 - 2¹⁰ = 444744574141639 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 444744574142663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444744574142633) 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, 3315903281 + ... + 3316037402.

It is an arithmetic number, because the mean of its divisors is an integer number (111187801537602).

Almost surely, 2^{444744574142663} is an apocalyptic number.

444744574142663 is a deficient number, since it is larger than the sum of its proper divisors (6632007745).

444744574142663 is an equidigital number, since it uses as much as digits as its factorization.

444744574142663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6632007744.

The product of its digits is 867041280, while the sum is 65.

The spelling of 444744574142663 in words is "four hundred forty-four trillion, seven hundred forty-four billion, five hundred seventy-four million, one hundred forty-two thousand, six hundred sixty-three".