26342340433 has 2 divisors, whose sum is σ = 26342340434. Its totient is φ = 26342340432.

The previous prime is 26342340407. The next prime is 26342340491. The reversal of 26342340433 is 33404324362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20745505089 + 5596835344 = 144033^2 + 74812^2 .

It is a cyclic number.

It is not a de Polignac number, because 26342340433 - 2²⁵ = 26308786001 is a prime.

It is not a weakly prime, because it can be changed into another prime (26342340133) 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, 13171170216 + 13171170217.

It is an arithmetic number, because the mean of its divisors is an integer number (13171170217).

Almost surely, 2^26342340433 is an apocalyptic number.

It is an amenable number.

26342340433 is a deficient number, since it is larger than the sum of its proper divisors (1).

26342340433 is an equidigital number, since it uses as much as digits as its factorization.

26342340433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 26342340433 its reverse (33404324362), we get a palindrome (59746664795).

The spelling of 26342340433 in words is "twenty-six billion, three hundred forty-two million, three hundred forty thousand, four hundred thirty-three".