15889116613 has 2 divisors, whose sum is σ = 15889116614. Its totient is φ = 15889116612.

The previous prime is 15889116601. The next prime is 15889116629. The reversal of 15889116613 is 31661198851.

It is a happy number.

15889116613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14103462564 + 1785654049 = 118758^2 + 42257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15889116613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15889116413) 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, 7944558306 + 7944558307.

It is an arithmetic number, because the mean of its divisors is an integer number (7944558307).

Almost surely, 2^15889116613 is an apocalyptic number.

It is an amenable number.

15889116613 is a deficient number, since it is larger than the sum of its proper divisors (1).

15889116613 is an equidigital number, since it uses as much as digits as its factorization.

15889116613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 49.

The spelling of 15889116613 in words is "fifteen billion, eight hundred eighty-nine million, one hundred sixteen thousand, six hundred thirteen".