9999993237696 has 1344 divisors, whose sum is σ = 38642795642880. Its totient is φ = 2396773048320.

The previous prime is 9999993237691. The next prime is 9999993237721. The reversal of 9999993237696 is 6967323999999.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (9999993237691) 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, 2599424445 + ... + 2599428291.

Almost surely, 2^{9999993237696} is an apocalyptic number.

9999993237696 is a gapful number since it is divisible by the number (96) 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 9999993237696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19321397821440).

9999993237696 is an abundant number, since it is smaller than the sum of its proper divisors (28642802405184).

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

9999993237696 is a wasteful number, since it uses less digits than its factorization.

9999993237696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002 (or 3989 counting only the distinct ones).

The product of its digits is 21695547384, while the sum is 90.

The spelling of 9999993237696 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred ninety-three million, two hundred thirty-seven thousand, six hundred ninety-six".