3947586585041 has 24 divisors (see below), whose sum is σ = 4512778788672. Its totient is φ = 3447793087200.

The previous prime is 3947586584989. The next prime is 3947586585109. The reversal of 3947586585041 is 1405856857493.

It is not a de Polignac number, because 3947586585041 - 2¹⁰ = 3947586584017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3947586585541) by changing a digit.

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, 5901581 + ... + 6536346.

It is an arithmetic number, because the mean of its divisors is an integer number (188032449528).

Almost surely, 2^{3947586585041} is an apocalyptic number.

It is an amenable number.

3947586585041 is a deficient number, since it is larger than the sum of its proper divisors (565192203631).

3947586585041 is a wasteful number, since it uses less digits than its factorization.

3947586585041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12438053 (or 12438042 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 65.

The spelling of 3947586585041 in words is "three trillion, nine hundred forty-seven billion, five hundred eighty-six million, five hundred eighty-five thousand, forty-one".