444353353445 has 4 divisors (see below), whose sum is σ = 533224024140. Its totient is φ = 355482682752.

The previous prime is 444353353427. The next prime is 444353353513. The reversal of 444353353445 is 544353353444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 259633049764 + 184720303681 = 509542^2 + 429791^2 .

It is a cyclic number.

It is not a de Polignac number, because 444353353445 - 2¹⁶ = 444353287909 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 444353353445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44435335340 + ... + 44435335349.

It is an arithmetic number, because the mean of its divisors is an integer number (133306006035).

Almost surely, 2^444353353445 is an apocalyptic number.

It is an amenable number.

444353353445 is a deficient number, since it is larger than the sum of its proper divisors (88870670695).

444353353445 is an equidigital number, since it uses as much as digits as its factorization.

444353353445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88870670694.

The product of its digits is 10368000, while the sum is 47.

Subtracting 444353353445 from its reverse (544353353444), we obtain a palindrome (99999999999).

The spelling of 444353353445 in words is "four hundred forty-four billion, three hundred fifty-three million, three hundred fifty-three thousand, four hundred forty-five".