13567680697 has 2 divisors, whose sum is σ = 13567680698. Its totient is φ = 13567680696.

The previous prime is 13567680661. The next prime is 13567680719. The reversal of 13567680697 is 79608676531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13566658576 + 1022121 = 116476^2 + 1011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13567680697 is a prime.

It is not a weakly prime, because it can be changed into another prime (13567680097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6783840348 + 6783840349.

It is an arithmetic number, because the mean of its divisors is an integer number (6783840349).

Almost surely, 2^13567680697 is an apocalyptic number.

It is an amenable number.

13567680697 is a deficient number, since it is larger than the sum of its proper divisors (1).

13567680697 is an equidigital number, since it uses as much as digits as its factorization.

13567680697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 13567680697 in words is "thirteen billion, five hundred sixty-seven million, six hundred eighty thousand, six hundred ninety-seven".