26042108429 has 2 divisors, whose sum is σ = 26042108430. Its totient is φ = 26042108428.

The previous prime is 26042108371. The next prime is 26042108441. The reversal of 26042108429 is 92480124062.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19403932804 + 6638175625 = 139298^2 + 81475^2 .

It is a cyclic number.

It is not a de Polignac number, because 26042108429 - 2²⁰ = 26041059853 is a prime.

It is a super-2 number, since 2×26042108429² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26042108392 and 26042108401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26042108629) 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, 13021054214 + 13021054215.

It is an arithmetic number, because the mean of its divisors is an integer number (13021054215).

Almost surely, 2^26042108429 is an apocalyptic number.

It is an amenable number.

26042108429 is a deficient number, since it is larger than the sum of its proper divisors (1).

26042108429 is an equidigital number, since it uses as much as digits as its factorization.

26042108429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 26042108429 in words is "twenty-six billion, forty-two million, one hundred eight thousand, four hundred twenty-nine".