9941137843848 has 128 divisors (see below), whose sum is σ = 26560568736000. Its totient is φ = 3089792065536.

The previous prime is 9941137843837. The next prime is 9941137843951. The reversal of 9941137843848 is 8483487311499.

It is a Cunningham number, because it is equal to 3152957²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18654990 + ... + 19180482.

It is an arithmetic number, because the mean of its divisors is an integer number (207504443250).

Almost surely, 2^{9941137843848} 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 9941137843848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13280284368000).

9941137843848 is an abundant number, since it is smaller than the sum of its proper divisors (16619430892152).

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

9941137843848 is a wasteful number, since it uses less digits than its factorization.

9941137843848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525951 (or 525947 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 69.

The spelling of 9941137843848 in words is "nine trillion, nine hundred forty-one billion, one hundred thirty-seven million, eight hundred forty-three thousand, eight hundred forty-eight".