26004240413 has 2 divisors, whose sum is σ = 26004240414. Its totient is φ = 26004240412.

The previous prime is 26004240407. The next prime is 26004240439. The reversal of 26004240413 is 31404240062.

It is an a-pointer prime, because the next prime (26004240439) can be obtained adding 26004240413 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25998982564 + 5257849 = 161242^2 + 2293^2 .

It is a cyclic number.

It is not a de Polignac number, because 26004240413 - 2¹⁰ = 26004239389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26004240443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13002120206 + 13002120207.

It is an arithmetic number, because the mean of its divisors is an integer number (13002120207).

Almost surely, 2^26004240413 is an apocalyptic number.

It is an amenable number.

26004240413 is a deficient number, since it is larger than the sum of its proper divisors (1).

26004240413 is an equidigital number, since it uses as much as digits as its factorization.

26004240413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 26004240413 its reverse (31404240062), we get a palindrome (57408480475).

The spelling of 26004240413 in words is "twenty-six billion, four million, two hundred forty thousand, four hundred thirteen".