9941991614412 has 288 divisors, whose sum is σ = 28874843504640. Its totient is φ = 2631938400000.

The previous prime is 9941991614389. The next prime is 9941991614437. The reversal of 9941991614412 is 2144161991499.

It is a super-2 number, since 2×9941991614412² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 436980037 + ... + 437002787.

It is an arithmetic number, because the mean of its divisors is an integer number (100259873280).

Almost surely, 2^{9941991614412} 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 9941991614412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14437421752320).

9941991614412 is an abundant number, since it is smaller than the sum of its proper divisors (18932851890228).

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

9941991614412 is a wasteful number, since it uses less digits than its factorization.

9941991614412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23845 (or 23830 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 60.

The spelling of 9941991614412 in words is "nine trillion, nine hundred forty-one billion, nine hundred ninety-one million, six hundred fourteen thousand, four hundred twelve".