8993231442 has 128 divisors (see below), whose sum is σ = 21869568000. Its totient is φ = 2722906368.

The previous prime is 8993231399. The next prime is 8993231459. The reversal of 8993231442 is 2441323998.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13283608 + ... + 13284284.

It is an arithmetic number, because the mean of its divisors is an integer number (170856000).

Almost surely, 2^8993231442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8993231442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10934784000).

8993231442 is an abundant number, since it is smaller than the sum of its proper divisors (12876336558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8993231442 is a wasteful number, since it uses less digits than its factorization.

8993231442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 971 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 8993231442 is about 94832.6496624448. The cubic root of 8993231442 is about 2079.5622416095.

The spelling of 8993231442 in words is "eight billion, nine hundred ninety-three million, two hundred thirty-one thousand, four hundred forty-two".