13758646717 has 2 divisors, whose sum is σ = 13758646718. Its totient is φ = 13758646716.

The previous prime is 13758646711. The next prime is 13758646751. The reversal of 13758646717 is 71764685731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13578308676 + 180338041 = 116526^2 + 13429^2 .

It is an emirp because it is prime and its reverse (71764685731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13758646717 - 2⁷ = 13758646589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13758646711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6879323358 + 6879323359.

It is an arithmetic number, because the mean of its divisors is an integer number (6879323359).

Almost surely, 2^13758646717 is an apocalyptic number.

It is an amenable number.

13758646717 is a deficient number, since it is larger than the sum of its proper divisors (1).

13758646717 is an equidigital number, since it uses as much as digits as its factorization.

13758646717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5927040, while the sum is 55.

The spelling of 13758646717 in words is "thirteen billion, seven hundred fifty-eight million, six hundred forty-six thousand, seven hundred seventeen".