26260635659 has 2 divisors, whose sum is σ = 26260635660. Its totient is φ = 26260635658.

The previous prime is 26260635637. The next prime is 26260635671. The reversal of 26260635659 is 95653606262.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26260635659 is a prime.

It is not a weakly prime, because it can be changed into another prime (26260637659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13130317829 + 13130317830.

It is an arithmetic number, because the mean of its divisors is an integer number (13130317830).

Almost surely, 2^26260635659 is an apocalyptic number.

26260635659 is a deficient number, since it is larger than the sum of its proper divisors (1).

26260635659 is an equidigital number, since it uses as much as digits as its factorization.

26260635659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 26260635659 in words is "twenty-six billion, two hundred sixty million, six hundred thirty-five thousand, six hundred fifty-nine".