3985906195736 has 16 divisors (see below), whose sum is σ = 7473605754840. Its totient is φ = 1992944661120.

The previous prime is 3985906195709. The next prime is 3985906195751. The reversal of 3985906195736 is 6375916095893.

It is a self number, because there is not a number n which added to its sum of digits gives 3985906195736.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249391 + ... + 3087521.

Almost surely, 2^{3985906195736} is an apocalyptic number.

It is an amenable number.

3985906195736 is a deficient number, since it is larger than the sum of its proper divisors (3487699559104).

3985906195736 is a wasteful number, since it uses less digits than its factorization.

3985906195736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109194 (or 2109190 counting only the distinct ones).

The product of its (nonzero) digits is 330674400, while the sum is 71.

The spelling of 3985906195736 in words is "three trillion, nine hundred eighty-five billion, nine hundred six million, one hundred ninety-five thousand, seven hundred thirty-six".