9399657960000 has 3360 divisors, whose sum is σ = 45889714590720. Its totient is φ = 1847577600000.

The previous prime is 9399657959983. The next prime is 9399657960001. The reversal of 9399657960000 is 697569939.

It is a tau number, because it is divible by the number of its divisors (3360).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 9399657960000.

It is not an unprimeable number, because it can be changed into a prime (9399657960001) by changing a digit.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 14220359670 + ... + 14220360330.

It is an arithmetic number, because the mean of its divisors is an integer number (13657653152).

Almost surely, 2^{9399657960000} is an apocalyptic number.

9399657960000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9399657960000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22944857295360).

9399657960000 is an abundant number, since it is smaller than the sum of its proper divisors (36490056630720).

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

9399657960000 is a wasteful number, since it uses less digits than its factorization.

9399657960000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 24800580, while the sum is 63.

The spelling of 9399657960000 in words is "nine trillion, three hundred ninety-nine billion, six hundred fifty-seven million, nine hundred sixty thousand".