4444774445 has 4 divisors (see below), whose sum is σ = 5333729340. Its totient is φ = 3555819552.

The previous prime is 4444774427. The next prime is 4444774459. The reversal of 4444774445 is 5444774444.

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 2012509321 + 2432265124 = 44861^2 + 49318^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444774445 - 2⁸ = 4444774189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4444774445.

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, 444477440 + ... + 444477449.

It is an arithmetic number, because the mean of its divisors is an integer number (1333432335).

Almost surely, 2^4444774445 is an apocalyptic number.

It is an amenable number.

4444774445 is a deficient number, since it is larger than the sum of its proper divisors (888954895).

4444774445 is an equidigital number, since it uses as much as digits as its factorization.

4444774445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888954894.

The product of its digits is 4014080, while the sum is 47.

The square root of 4444774445 is about 66669.1416248927. The cubic root of 4444774445 is about 1644.1820744476.

Subtracting 4444774445 from its reverse (5444774444), we obtain a palindrome (999999999).

The spelling of 4444774445 in words is "four billion, four hundred forty-four million, seven hundred seventy-four thousand, four hundred forty-five".