9439442445 has 8 divisors (see below), whose sum is σ = 15103107936. Its totient is φ = 5034369296.

The previous prime is 9439442417. The next prime is 9439442473. The reversal of 9439442445 is 5442449349.

It is a happy number.

9439442445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9439442417) and next prime (9439442473).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9439442445 - 2⁵ = 9439442413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9439442394 and 9439442403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314648067 + ... + 314648096.

It is an arithmetic number, because the mean of its divisors is an integer number (1887888492).

Almost surely, 2^9439442445 is an apocalyptic number.

It is an amenable number.

9439442445 is a deficient number, since it is larger than the sum of its proper divisors (5663665491).

9439442445 is a wasteful number, since it uses less digits than its factorization.

9439442445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629296171.

The product of its digits is 2488320, while the sum is 48.

The square root of 9439442445 is about 97156.7930975493. The cubic root of 9439442445 is about 2113.4020009040.

The spelling of 9439442445 in words is "nine billion, four hundred thirty-nine million, four hundred forty-two thousand, four hundred forty-five".