13663003597 has 2 divisors, whose sum is σ = 13663003598. Its totient is φ = 13663003596.

The previous prime is 13663003577. The next prime is 13663003603. The reversal of 13663003597 is 79530036631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13186847556 + 476156041 = 114834^2 + 21821^2 .

It is a cyclic number.

It is not a de Polignac number, because 13663003597 - 2¹¹ = 13663001549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13663003577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6831501798 + 6831501799.

It is an arithmetic number, because the mean of its divisors is an integer number (6831501799).

Almost surely, 2^13663003597 is an apocalyptic number.

It is an amenable number.

13663003597 is a deficient number, since it is larger than the sum of its proper divisors (1).

13663003597 is an equidigital number, since it uses as much as digits as its factorization.

13663003597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 43.

The spelling of 13663003597 in words is "thirteen billion, six hundred sixty-three million, three thousand, five hundred ninety-seven".