3871686671683 has 2 divisors, whose sum is σ = 3871686671684. Its totient is φ = 3871686671682.

The previous prime is 3871686671669. The next prime is 3871686671687. The reversal of 3871686671683 is 3861766861783.

It is a strong prime.

It is an emirp because it is prime and its reverse (3861766861783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3871686671683 - 2⁴¹ = 1672663416131 is a prime.

It is not a weakly prime, because it can be changed into another prime (3871686671687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935843335841 + 1935843335842.

It is an arithmetic number, because the mean of its divisors is an integer number (1935843335842).

Almost surely, 2^{3871686671683} is an apocalyptic number.

3871686671683 is a deficient number, since it is larger than the sum of its proper divisors (1).

3871686671683 is an equidigital number, since it uses as much as digits as its factorization.

3871686671683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 292626432, while the sum is 70.

The spelling of 3871686671683 in words is "three trillion, eight hundred seventy-one billion, six hundred eighty-six million, six hundred seventy-one thousand, six hundred eighty-three".