3984646882613 has 2 divisors, whose sum is σ = 3984646882614. Its totient is φ = 3984646882612.

The previous prime is 3984646882561. The next prime is 3984646882627. The reversal of 3984646882613 is 3162886464893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3959932841764 + 24714040849 = 1989958^2 + 157207^2 .

It is a cyclic number.

It is not a de Polignac number, because 3984646882613 - 2¹⁶ = 3984646817077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3984646882213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992323441306 + 1992323441307.

It is an arithmetic number, because the mean of its divisors is an integer number (1992323441307).

Almost surely, 2^{3984646882613} is an apocalyptic number.

It is an amenable number.

3984646882613 is a deficient number, since it is larger than the sum of its proper divisors (1).

3984646882613 is an equidigital number, since it uses as much as digits as its factorization.

3984646882613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 286654464, while the sum is 68.

The spelling of 3984646882613 in words is "three trillion, nine hundred eighty-four billion, six hundred forty-six million, eight hundred eighty-two thousand, six hundred thirteen".