8819538445 has 8 divisors (see below), whose sum is σ = 10599807744. Its totient is φ = 7044723024.

The previous prime is 8819538437. The next prime is 8819538467. The reversal of 8819538445 is 5448359188.

It is a happy number.

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 8819538445 - 2³ = 8819538437 is a prime.

It is a Duffinian number.

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, 1359909 + ... + 1366378.

It is an arithmetic number, because the mean of its divisors is an integer number (1324975968).

Almost surely, 2^8819538445 is an apocalyptic number.

It is an amenable number.

8819538445 is a deficient number, since it is larger than the sum of its proper divisors (1780269299).

8819538445 is a wasteful number, since it uses less digits than its factorization.

8819538445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726939.

The product of its digits is 5529600, while the sum is 55.

The square root of 8819538445 is about 93912.3977172343. The cubic root of 8819538445 is about 2066.0870672467.

The spelling of 8819538445 in words is "eight billion, eight hundred nineteen million, five hundred thirty-eight thousand, four hundred forty-five".