13663600771 has 2 divisors, whose sum is σ = 13663600772. Its totient is φ = 13663600770.

The previous prime is 13663600747. The next prime is 13663600789. The reversal of 13663600771 is 17700636631.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13663600771 - 2¹¹ = 13663598723 is a prime.

It is not a weakly prime, because it can be changed into another prime (13663600471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6831800385 + 6831800386.

It is an arithmetic number, because the mean of its divisors is an integer number (6831800386).

Almost surely, 2^13663600771 is an apocalyptic number.

13663600771 is a deficient number, since it is larger than the sum of its proper divisors (1).

13663600771 is an equidigital number, since it uses as much as digits as its factorization.

13663600771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 40.

The spelling of 13663600771 in words is "thirteen billion, six hundred sixty-three million, six hundred thousand, seven hundred seventy-one".