26106690229 has 2 divisors, whose sum is σ = 26106690230. Its totient is φ = 26106690228.

The previous prime is 26106690223. The next prime is 26106690283. The reversal of 26106690229 is 92209660162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22348755025 + 3757935204 = 149495^2 + 61302^2 .

It is a cyclic number.

It is not a de Polignac number, because 26106690229 - 2³ = 26106690221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26106690221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13053345114 + 13053345115.

It is an arithmetic number, because the mean of its divisors is an integer number (13053345115).

Almost surely, 2^26106690229 is an apocalyptic number.

It is an amenable number.

26106690229 is a deficient number, since it is larger than the sum of its proper divisors (1).

26106690229 is an equidigital number, since it uses as much as digits as its factorization.

26106690229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 26106690229 in words is "twenty-six billion, one hundred six million, six hundred ninety thousand, two hundred twenty-nine".