13569705697 has 2 divisors, whose sum is σ = 13569705698. Its totient is φ = 13569705696.

The previous prime is 13569705673. The next prime is 13569705791. The reversal of 13569705697 is 79650796531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11149459281 + 2420246416 = 105591^2 + 49196^2 .

It is an emirp because it is prime and its reverse (79650796531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13569705697 is a prime.

It is not a weakly prime, because it can be changed into another prime (13569705647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6784852848 + 6784852849.

It is an arithmetic number, because the mean of its divisors is an integer number (6784852849).

Almost surely, 2^13569705697 is an apocalyptic number.

It is an amenable number.

13569705697 is a deficient number, since it is larger than the sum of its proper divisors (1).

13569705697 is an equidigital number, since it uses as much as digits as its factorization.

13569705697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10716300, while the sum is 58.

The spelling of 13569705697 in words is "thirteen billion, five hundred sixty-nine million, seven hundred five thousand, six hundred ninety-seven".