9963939360 has 384 divisors, whose sum is σ = 34559965440. Its totient is φ = 2402942976.

The previous prime is 9963939301. The next prime is 9963939361. The reversal of 9963939360 is 639393699.

It is a self number, because there is not a number n which added to its sum of digits gives 9963939360.

It is not an unprimeable number, because it can be changed into a prime (9963939361) 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, 25614046 + ... + 25614434.

It is an arithmetic number, because the mean of its divisors is an integer number (89999910).

Almost surely, 2^9963939360 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 9963939360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17279982720).

9963939360 is an abundant number, since it is smaller than the sum of its proper divisors (24596026080).

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

9963939360 is a wasteful number, since it uses less digits than its factorization.

9963939360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 6377292, while the sum is 57.

The square root of 9963939360 is about 99819.5339600421. The cubic root of 9963939360 is about 2151.8418944756.

It can be divided in two parts, 9 and 963939360, that added together give a palindrome (963939369).

The spelling of 9963939360 in words is "nine billion, nine hundred sixty-three million, nine hundred thirty-nine thousand, three hundred sixty".