13889928893 has 2 divisors, whose sum is σ = 13889928894. Its totient is φ = 13889928892.

The previous prime is 13889928869. The next prime is 13889928907. The reversal of 13889928893 is 39882998831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13060604089 + 829324804 = 114283^2 + 28798^2 .

It is a cyclic number.

It is not a de Polignac number, because 13889928893 - 2¹⁶ = 13889863357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13889928593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6944964446 + 6944964447.

It is an arithmetic number, because the mean of its divisors is an integer number (6944964447).

Almost surely, 2^13889928893 is an apocalyptic number.

It is an amenable number.

13889928893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13889928893 is an equidigital number, since it uses as much as digits as its factorization.

13889928893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53747712, while the sum is 68.

The spelling of 13889928893 in words is "thirteen billion, eight hundred eighty-nine million, nine hundred twenty-eight thousand, eight hundred ninety-three".