3886442889313 has 2 divisors, whose sum is σ = 3886442889314. Its totient is φ = 3886442889312.

The previous prime is 3886442889311. The next prime is 3886442889323. The reversal of 3886442889313 is 3139882446883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3466477975104 + 419964914209 = 1861848^2 + 648047^2 .

It is a cyclic number.

It is not a de Polignac number, because 3886442889313 - 2¹ = 3886442889311 is a prime.

It is a super-2 number, since 2×3886442889313² (a number of 26 digits) contains 22 as substring.

Together with 3886442889311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3886442889311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1943221444656 + 1943221444657.

It is an arithmetic number, because the mean of its divisors is an integer number (1943221444657).

Almost surely, 2^{3886442889313} is an apocalyptic number.

It is an amenable number.

3886442889313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3886442889313 is an equidigital number, since it uses as much as digits as its factorization.

3886442889313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 191102976, while the sum is 67.

The spelling of 3886442889313 in words is "three trillion, eight hundred eighty-six billion, four hundred forty-two million, eight hundred eighty-nine thousand, three hundred thirteen".