13263551342563 has 2 divisors, whose sum is σ = 13263551342564. Its totient is φ = 13263551342562.

The previous prime is 13263551342557. The next prime is 13263551342593. The reversal of 13263551342563 is 36524315536231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13263551342563 - 2⁹ = 13263551342051 is a prime.

It is not a weakly prime, because it can be changed into another prime (13263551342593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6631775671281 + 6631775671282.

It is an arithmetic number, because the mean of its divisors is an integer number (6631775671282).

Almost surely, 2^{13263551342563} is an apocalyptic number.

13263551342563 is a deficient number, since it is larger than the sum of its proper divisors (1).

13263551342563 is an equidigital number, since it uses as much as digits as its factorization.

13263551342563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832000, while the sum is 49.

Adding to 13263551342563 its reverse (36524315536231), we get a palindrome (49787866878794).

The spelling of 13263551342563 in words is "thirteen trillion, two hundred sixty-three billion, five hundred fifty-one million, three hundred forty-two thousand, five hundred sixty-three".