13255564459 has 2 divisors, whose sum is σ = 13255564460. Its totient is φ = 13255564458.

The previous prime is 13255564457. The next prime is 13255564477. The reversal of 13255564459 is 95446555231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13255564459 - 2¹ = 13255564457 is a prime.

Together with 13255564457, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13255564457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6627782229 + 6627782230.

It is an arithmetic number, because the mean of its divisors is an integer number (6627782230).

Almost surely, 2^13255564459 is an apocalyptic number.

13255564459 is a deficient number, since it is larger than the sum of its proper divisors (1).

13255564459 is an equidigital number, since it uses as much as digits as its factorization.

13255564459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240000, while the sum is 49.

The spelling of 13255564459 in words is "thirteen billion, two hundred fifty-five million, five hundred sixty-four thousand, four hundred fifty-nine".