13941959860889 has 2 divisors, whose sum is σ = 13941959860890. Its totient is φ = 13941959860888.

The previous prime is 13941959860847. The next prime is 13941959860897. The reversal of 13941959860889 is 98806895914931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10167456936025 + 3774502924864 = 3188645^2 + 1942808^2 .

It is a cyclic number.

It is not a de Polignac number, because 13941959860889 - 2¹² = 13941959856793 is a prime.

It is not a weakly prime, because it can be changed into another prime (13941959860819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6970979930444 + 6970979930445.

It is an arithmetic number, because the mean of its divisors is an integer number (6970979930445).

Almost surely, 2^{13941959860889} is an apocalyptic number.

It is an amenable number.

13941959860889 is a deficient number, since it is larger than the sum of its proper divisors (1).

13941959860889 is an equidigital number, since it uses as much as digits as its factorization.

13941959860889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209323520, while the sum is 80.

The spelling of 13941959860889 in words is "thirteen trillion, nine hundred forty-one billion, nine hundred fifty-nine million, eight hundred sixty thousand, eight hundred eighty-nine".