3889513613 has 2 divisors, whose sum is σ = 3889513614. Its totient is φ = 3889513612.

The previous prime is 3889513609. The next prime is 3889513643. The reversal of 3889513613 is 3163159883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3353220649 + 536292964 = 57907^2 + 23158^2 .

It is a cyclic number.

It is not a de Polignac number, because 3889513613 - 2² = 3889513609 is a prime.

It is a super-2 number, since 2×3889513613² = 30256632291424627538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3889513643) by changing a digit.

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 as a sum of consecutive naturals, namely, 1944756806 + 1944756807.

It is an arithmetic number, because the mean of its divisors is an integer number (1944756807).

Almost surely, 2^3889513613 is an apocalyptic number.

It is an amenable number.

3889513613 is a deficient number, since it is larger than the sum of its proper divisors (1).

3889513613 is an equidigital number, since it uses as much as digits as its factorization.

3889513613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 47.

The square root of 3889513613 is about 62365.9651813391. The cubic root of 3889513613 is about 1572.6488629447.

The spelling of 3889513613 in words is "three billion, eight hundred eighty-nine million, five hundred thirteen thousand, six hundred thirteen".