26423315393 has 2 divisors, whose sum is σ = 26423315394. Its totient is φ = 26423315392.

The previous prime is 26423315389. The next prime is 26423315437. The reversal of 26423315393 is 39351332462.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17095039504 + 9328275889 = 130748^2 + 96583^2 .

It is a cyclic number.

It is not a de Polignac number, because 26423315393 - 2² = 26423315389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26423315393.

It is not a weakly prime, because it can be changed into another prime (26423315593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13211657696 + 13211657697.

It is an arithmetic number, because the mean of its divisors is an integer number (13211657697).

Almost surely, 2^26423315393 is an apocalyptic number.

It is an amenable number.

26423315393 is a deficient number, since it is larger than the sum of its proper divisors (1).

26423315393 is an equidigital number, since it uses as much as digits as its factorization.

26423315393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 41.

The spelling of 26423315393 in words is "twenty-six billion, four hundred twenty-three million, three hundred fifteen thousand, three hundred ninety-three".