26648484671 has 2 divisors, whose sum is σ = 26648484672. Its totient is φ = 26648484670.

The previous prime is 26648484661. The next prime is 26648484673. The reversal of 26648484671 is 17648484662.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26648484671 - 2⁶ = 26648484607 is a prime.

Together with 26648484673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26648484673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13324242335 + 13324242336.

It is an arithmetic number, because the mean of its divisors is an integer number (13324242336).

Almost surely, 2^26648484671 is an apocalyptic number.

26648484671 is a deficient number, since it is larger than the sum of its proper divisors (1).

26648484671 is an equidigital number, since it uses as much as digits as its factorization.

26648484671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12386304, while the sum is 56.

Subtracting from 26648484671 its reverse (17648484662), we obtain a palindrome (9000000009).

The spelling of 26648484671 in words is "twenty-six billion, six hundred forty-eight million, four hundred eighty-four thousand, six hundred seventy-one".