12563383951 has 2 divisors, whose sum is σ = 12563383952. Its totient is φ = 12563383950.

The previous prime is 12563383939. The next prime is 12563383969. The reversal of 12563383951 is 15938336521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12563383951 - 2¹¹ = 12563381903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12563353951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6281691975 + 6281691976.

It is an arithmetic number, because the mean of its divisors is an integer number (6281691976).

Almost surely, 2^12563383951 is an apocalyptic number.

12563383951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12563383951 is an equidigital number, since it uses as much as digits as its factorization.

12563383951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 46.

The spelling of 12563383951 in words is "twelve billion, five hundred sixty-three million, three hundred eighty-three thousand, nine hundred fifty-one".