9599738491200 has 1344 divisors, whose sum is σ = 39554412355584. Its totient is φ = 2004541440000.

The previous prime is 9599738491171. The next prime is 9599738491201. The reversal of 9599738491200 is 21948379959.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9599738491201) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 647267785 + ... + 647282615.

It is an arithmetic number, because the mean of its divisors is an integer number (29430366336).

Almost surely, 2^{9599738491200} 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 9599738491200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19777206177792).

9599738491200 is an abundant number, since it is smaller than the sum of its proper divisors (29954673864384).

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

9599738491200 is a wasteful number, since it uses less digits than its factorization.

9599738491200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14944 (or 14929 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 66.

The spelling of 9599738491200 in words is "nine trillion, five hundred ninety-nine billion, seven hundred thirty-eight million, four hundred ninety-one thousand, two hundred".