13842493256897 has 2 divisors, whose sum is σ = 13842493256898. Its totient is φ = 13842493256896.

The previous prime is 13842493256887. The next prime is 13842493256941. The reversal of 13842493256897 is 79865239424831.

13842493256897 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., 13253320341121 + 589172915776 = 3640511^2 + 767576^2 .

It is a cyclic number.

It is not a de Polignac number, because 13842493256897 - 2¹² = 13842493252801 is a prime.

It is a super-2 number, since 2×13842493256897² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13842493256897.

It is not a weakly prime, because it can be changed into another prime (13842493256857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6921246628448 + 6921246628449.

It is an arithmetic number, because the mean of its divisors is an integer number (6921246628449).

Almost surely, 2^{13842493256897} is an apocalyptic number.

It is an amenable number.

13842493256897 is a deficient number, since it is larger than the sum of its proper divisors (1).

13842493256897 is an equidigital number, since it uses as much as digits as its factorization.

13842493256897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 627056640, while the sum is 71.

The spelling of 13842493256897 in words is "thirteen trillion, eight hundred forty-two billion, four hundred ninety-three million, two hundred fifty-six thousand, eight hundred ninety-seven".