3913741985 has 16 divisors (see below), whose sum is σ = 4948280064. Its totient is φ = 2965778112.

The previous prime is 3913741973. The next prime is 3913742011. The reversal of 3913741985 is 5891473193.

It is a cyclic number.

It is not a de Polignac number, because 3913741985 - 2⁴ = 3913741969 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 153362 + ... + 177051.

It is an arithmetic number, because the mean of its divisors is an integer number (309267504).

Almost surely, 2^3913741985 is an apocalyptic number.

It is an amenable number.

3913741985 is a deficient number, since it is larger than the sum of its proper divisors (1034538079).

3913741985 is a wasteful number, since it uses less digits than its factorization.

3913741985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330544.

The product of its digits is 816480, while the sum is 50.

The square root of 3913741985 is about 62559.9071690488. The cubic root of 3913741985 is about 1575.9075290434.

The spelling of 3913741985 in words is "three billion, nine hundred thirteen million, seven hundred forty-one thousand, nine hundred eighty-five".