3991682985382 has 8 divisors (see below), whose sum is σ = 6302657345400. Its totient is φ = 1890797203584.

The previous prime is 3991682985359. The next prime is 3991682985403. The reversal of 3991682985382 is 2835892861993.

3991682985382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52522144507 + ... + 52522144582.

It is an arithmetic number, because the mean of its divisors is an integer number (787832168175).

Almost surely, 2^{3991682985382} is an apocalyptic number.

3991682985382 is a deficient number, since it is larger than the sum of its proper divisors (2310974360018).

3991682985382 is a wasteful number, since it uses less digits than its factorization.

3991682985382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105044289110.

The product of its digits is 403107840, while the sum is 73.

The spelling of 3991682985382 in words is "three trillion, nine hundred ninety-one billion, six hundred eighty-two million, nine hundred eighty-five thousand, three hundred eighty-two".