26705126293 has 2 divisors, whose sum is σ = 26705126294. Its totient is φ = 26705126292.

The previous prime is 26705126257. The next prime is 26705126309. The reversal of 26705126293 is 39262150762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26705115889 + 10404 = 163417^2 + 102^2 .

It is a cyclic number.

It is not a de Polignac number, because 26705126293 - 2¹⁷ = 26704995221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26705124293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13352563146 + 13352563147.

It is an arithmetic number, because the mean of its divisors is an integer number (13352563147).

Almost surely, 2^26705126293 is an apocalyptic number.

It is an amenable number.

26705126293 is a deficient number, since it is larger than the sum of its proper divisors (1).

26705126293 is an equidigital number, since it uses as much as digits as its factorization.

26705126293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 26705126293 in words is "twenty-six billion, seven hundred five million, one hundred twenty-six thousand, two hundred ninety-three".