8998448999 has 4 divisors (see below), whose sum is σ = 9389685936. Its totient is φ = 8607212064.

The previous prime is 8998448989. The next prime is 8998449023. The reversal of 8998448999 is 9998448998.

8998448999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9998448998 = 2 ⋅4999224499.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8998448999 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 (8998448909) 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, 195618434 + ... + 195618479.

It is an arithmetic number, because the mean of its divisors is an integer number (2347421484).

Almost surely, 2^8998448999 is an apocalyptic number.

8998448999 is a deficient number, since it is larger than the sum of its proper divisors (391236937).

8998448999 is a wasteful number, since it uses less digits than its factorization.

8998448999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391236936.

The product of its digits is 483729408, while the sum is 77.

The square root of 8998448999 is about 94860.1549598144. The cubic root of 8998448999 is about 2079.9643268506.

Subtracting 8998448999 from its reverse (9998448998), we obtain a palindrome (999999999).

The spelling of 8998448999 in words is "eight billion, nine hundred ninety-eight million, four hundred forty-eight thousand, nine hundred ninety-nine".