3991584806692 has 48 divisors (see below), whose sum is σ = 8649343866240. Its totient is φ = 1572607959552.

The previous prime is 3991584806681. The next prime is 3991584806731. The reversal of 3991584806692 is 2966084851993.

It is a super-2 number, since 2×3991584806692² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 97487467 + ... + 97528402.

It is an arithmetic number, because the mean of its divisors is an integer number (180194663880).

Almost surely, 2^{3991584806692} is an apocalyptic number.

It is an amenable number.

3991584806692 is an abundant number, since it is smaller than the sum of its proper divisors (4657759059548).

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

3991584806692 is a wasteful number, since it uses less digits than its factorization.

3991584806692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195015940 (or 195015938 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 70.

The spelling of 3991584806692 in words is "three trillion, nine hundred ninety-one billion, five hundred eighty-four million, eight hundred six thousand, six hundred ninety-two".