444481437073 has 4 divisors (see below), whose sum is σ = 445223476800. Its totient is φ = 443739397348.

The previous prime is 444481437031. The next prime is 444481437097. The reversal of 444481437073 is 370734184444.

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 444481437073 - 2¹⁷ = 444481306001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444481434073) 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, 371018965 + ... + 371020162.

It is an arithmetic number, because the mean of its divisors is an integer number (111305869200).

Almost surely, 2^444481437073 is an apocalyptic number.

It is an amenable number.

444481437073 is a deficient number, since it is larger than the sum of its proper divisors (742039727).

444481437073 is an equidigital number, since it uses as much as digits as its factorization.

444481437073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742039726.

The product of its (nonzero) digits is 3612672, while the sum is 49.

The spelling of 444481437073 in words is "four hundred forty-four billion, four hundred eighty-one million, four hundred thirty-seven thousand, seventy-three".