26269169 has 2 divisors, whose sum is σ = 26269170. Its totient is φ = 26269168.

The previous prime is 26269141. The next prime is 26269171. The reversal of 26269169 is 96196262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24137569 + 2131600 = 4913^2 + 1460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26269169 is a prime.

It is a super-2 number, since 2×26269169² = 1380138479901122, which contains 22 as substring.

Together with 26269171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26269129) 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, 13134584 + 13134585.

It is an arithmetic number, because the mean of its divisors is an integer number (13134585).

Almost surely, 2^26269169 is an apocalyptic number.

It is an amenable number.

26269169 is a deficient number, since it is larger than the sum of its proper divisors (1).

26269169 is an equidigital number, since it uses as much as digits as its factorization.

26269169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 26269169 is about 5125.3457444352. The cubic root of 26269169 is about 297.2684222836.

The spelling of 26269169 in words is "twenty-six million, two hundred sixty-nine thousand, one hundred sixty-nine".