4442445365 has 4 divisors (see below), whose sum is σ = 5330934444. Its totient is φ = 3553956288.

The previous prime is 4442445361. The next prime is 4442445409. The reversal of 4442445365 is 5635442444.

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 1833381124 + 2609064241 = 42818^2 + 51079^2 .

It is a cyclic number.

It is not a de Polignac number, because 4442445365 - 2² = 4442445361 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 (4442445361) 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, 444244532 + ... + 444244541.

It is an arithmetic number, because the mean of its divisors is an integer number (1332733611).

Almost surely, 2^4442445365 is an apocalyptic number.

It is an amenable number.

4442445365 is a deficient number, since it is larger than the sum of its proper divisors (888489079).

4442445365 is an equidigital number, since it uses as much as digits as its factorization.

4442445365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888489078.

The product of its digits is 921600, while the sum is 41.

The square root of 4442445365 is about 66651.6718845071. The cubic root of 4442445365 is about 1643.8948382254.

The spelling of 4442445365 in words is "four billion, four hundred forty-two million, four hundred forty-five thousand, three hundred sixty-five".