26884613663 has 2 divisors, whose sum is σ = 26884613664. Its totient is φ = 26884613662.

The previous prime is 26884613653. The next prime is 26884613669. The reversal of 26884613663 is 36631648862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26884613663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26884613669) 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, 13442306831 + 13442306832.

It is an arithmetic number, because the mean of its divisors is an integer number (13442306832).

Almost surely, 2^26884613663 is an apocalyptic number.

26884613663 is a deficient number, since it is larger than the sum of its proper divisors (1).

26884613663 is an equidigital number, since it uses as much as digits as its factorization.

26884613663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 53.

The spelling of 26884613663 in words is "twenty-six billion, eight hundred eighty-four million, six hundred thirteen thousand, six hundred sixty-three".