9939341734686 has 192 divisors, whose sum is σ = 28548745505280. Its totient is φ = 2425644506880.

The previous prime is 9939341734649. The next prime is 9939341734697. The reversal of 9939341734686 is 6864371439399.

9939341734686 is a `hidden beast` number, since 9 + 9 + 3 + 93 + 4 + 1 + 73 + 468 + 6 = 666.

It is a congruent number.

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, 2375325 + ... + 5051816.

It is an arithmetic number, because the mean of its divisors is an integer number (148691382840).

Almost surely, 2^{9939341734686} is an apocalyptic number.

9939341734686 is an abundant number, since it is smaller than the sum of its proper divisors (18609403770594).

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

9939341734686 is a wasteful number, since it uses less digits than its factorization.

9939341734686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7427231 (or 7427228 counting only the distinct ones).

The product of its digits is 634894848, while the sum is 72.

The spelling of 9939341734686 in words is "nine trillion, nine hundred thirty-nine billion, three hundred forty-one million, seven hundred thirty-four thousand, six hundred eighty-six".