26213654488451 has 2 divisors, whose sum is σ = 26213654488452. Its totient is φ = 26213654488450.

The previous prime is 26213654488391. The next prime is 26213654488453. The reversal of 26213654488451 is 15488445631262.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26213654488451 is a prime.

Together with 26213654488453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26213654488453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13106827244225 + 13106827244226.

It is an arithmetic number, because the mean of its divisors is an integer number (13106827244226).

Almost surely, 2^{26213654488451} is an apocalyptic number.

26213654488451 is a deficient number, since it is larger than the sum of its proper divisors (1).

26213654488451 is an equidigital number, since it uses as much as digits as its factorization.

26213654488451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44236800, while the sum is 59.

The spelling of 26213654488451 in words is "twenty-six trillion, two hundred thirteen billion, six hundred fifty-four million, four hundred eighty-eight thousand, four hundred fifty-one".