13694673705161 has 2 divisors, whose sum is σ = 13694673705162. Its totient is φ = 13694673705160.

The previous prime is 13694673705133. The next prime is 13694673705199. The reversal of 13694673705161 is 16150737649631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9457070305225 + 4237603399936 = 3075235^2 + 2058544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13694673705161 is a prime.

It is a super-2 number, since 2×13694673705161² (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 13694673705161.

It is not a weakly prime, because it can be changed into another prime (13694673705101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6847336852580 + 6847336852581.

It is an arithmetic number, because the mean of its divisors is an integer number (6847336852581).

Almost surely, 2^{13694673705161} is an apocalyptic number.

It is an amenable number.

13694673705161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13694673705161 is an equidigital number, since it uses as much as digits as its factorization.

13694673705161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17146080, while the sum is 59.

The spelling of 13694673705161 in words is "thirteen trillion, six hundred ninety-four billion, six hundred seventy-three million, seven hundred five thousand, one hundred sixty-one".