9993355900 has 144 divisors (see below), whose sum is σ = 25577112960. Its totient is φ = 3349382400.

The previous prime is 9993355873. The next prime is 9993355907. The reversal of 9993355900 is 95533999.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9993355907) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 766839 + ... + 779761.

It is an arithmetic number, because the mean of its divisors is an integer number (177618840).

Almost surely, 2^9993355900 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 9993355900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12788556480).

9993355900 is an abundant number, since it is smaller than the sum of its proper divisors (15583757060).

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

9993355900 is a wasteful number, since it uses less digits than its factorization.

9993355900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13004 (or 12997 counting only the distinct ones).

The product of its (nonzero) digits is 1476225, while the sum is 52.

The square root of 9993355900 is about 99966.7739801580. The cubic root of 9993355900 is about 2153.9574416693.

The spelling of 9993355900 in words is "nine billion, nine hundred ninety-three million, three hundred fifty-five thousand, nine hundred".