8964809539000 has 256 divisors, whose sum is σ = 25355958451200. Its totient is φ = 2898068544000.

The previous prime is 8964809538959. The next prime is 8964809539003. The reversal of 8964809539000 is 9359084698.

It is a self number, because there is not a number n which added to its sum of digits gives 8964809539000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8964809539003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27903274 + ... + 28222726.

It is an arithmetic number, because the mean of its divisors is an integer number (99046712700).

Almost surely, 2^{8964809539000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8964809539000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12677979225600).

8964809539000 is an abundant number, since it is smaller than the sum of its proper divisors (16391148912200).

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

8964809539000 is a wasteful number, since it uses less digits than its factorization.

8964809539000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319711 (or 319697 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 8964809539000 in words is "eight trillion, nine hundred sixty-four billion, eight hundred nine million, five hundred thirty-nine thousand".