26563014631 has 2 divisors, whose sum is σ = 26563014632. Its totient is φ = 26563014630.

The previous prime is 26563014623. The next prime is 26563014701. The reversal of 26563014631 is 13641036562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26563014631 - 2³ = 26563014623 is a prime.

It is a super-2 number, since 2×26563014631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26563084631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13281507315 + 13281507316.

It is an arithmetic number, because the mean of its divisors is an integer number (13281507316).

Almost surely, 2^26563014631 is an apocalyptic number.

26563014631 is a deficient number, since it is larger than the sum of its proper divisors (1).

26563014631 is an equidigital number, since it uses as much as digits as its factorization.

26563014631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 26563014631 in words is "twenty-six billion, five hundred sixty-three million, fourteen thousand, six hundred thirty-one".