12663403567 has 2 divisors, whose sum is σ = 12663403568. Its totient is φ = 12663403566.

The previous prime is 12663403531. The next prime is 12663403573. The reversal of 12663403567 is 76530436621.

It is a strong prime.

It is an emirp because it is prime and its reverse (76530436621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12663403567 - 2¹¹ = 12663401519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12663403507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6331701783 + 6331701784.

It is an arithmetic number, because the mean of its divisors is an integer number (6331701784).

Almost surely, 2^12663403567 is an apocalyptic number.

12663403567 is a deficient number, since it is larger than the sum of its proper divisors (1).

12663403567 is an equidigital number, since it uses as much as digits as its factorization.

12663403567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 12663403567 in words is "twelve billion, six hundred sixty-three million, four hundred three thousand, five hundred sixty-seven".