26260635671 has 2 divisors, whose sum is σ = 26260635672. Its totient is φ = 26260635670.

The previous prime is 26260635659. The next prime is 26260635697. The reversal of 26260635671 is 17653606262.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26260635671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26260635631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13130317835 + 13130317836.

It is an arithmetic number, because the mean of its divisors is an integer number (13130317836).

Almost surely, 2^26260635671 is an apocalyptic number.

26260635671 is a deficient number, since it is larger than the sum of its proper divisors (1).

26260635671 is an equidigital number, since it uses as much as digits as its factorization.

26260635671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 26260635671 in words is "twenty-six billion, two hundred sixty million, six hundred thirty-five thousand, six hundred seventy-one".