26544453263 has 2 divisors, whose sum is σ = 26544453264. Its totient is φ = 26544453262.

The previous prime is 26544453251. The next prime is 26544453311. The reversal of 26544453263 is 36235444562.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26544453263 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26544453763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13272226631 + 13272226632.

It is an arithmetic number, because the mean of its divisors is an integer number (13272226632).

Almost surely, 2^26544453263 is an apocalyptic number.

26544453263 is a deficient number, since it is larger than the sum of its proper divisors (1).

26544453263 is an equidigital number, since it uses as much as digits as its factorization.

26544453263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 44.

The spelling of 26544453263 in words is "twenty-six billion, five hundred forty-four million, four hundred fifty-three thousand, two hundred sixty-three".