3989942709732 has 72 divisors (see below), whose sum is σ = 11953408632256. Its totient is φ = 1139983629408.

The previous prime is 3989942709677. The next prime is 3989942709743. The reversal of 3989942709732 is 2379072499893.

3989942709732 is a `hidden beast` number, since 3 + 9 + 89 + 9 + 427 + 0 + 97 + 32 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293198863 + ... + 293212470.

Almost surely, 2^{3989942709732} is an apocalyptic number.

It is an amenable number.

3989942709732 is an abundant number, since it is smaller than the sum of its proper divisors (7963465922524).

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

3989942709732 is a wasteful number, since it uses less digits than its factorization.

3989942709732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586411359 (or 586411345 counting only the distinct ones).

The product of its (nonzero) digits is 370355328, while the sum is 72.

The spelling of 3989942709732 in words is "three trillion, nine hundred eighty-nine billion, nine hundred forty-two million, seven hundred nine thousand, seven hundred thirty-two".