26000669 has 2 divisors, whose sum is σ = 26000670. Its totient is φ = 26000668.

The previous prime is 26000647. The next prime is 26000693. The reversal of 26000669 is 96600062.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23863225 + 2137444 = 4885^2 + 1462^2 .

It is a cyclic number.

It is not a de Polignac number, because 26000669 - 2¹² = 25996573 is a prime.

It is a super-2 number, since 2×26000669² = 1352069576895122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26000069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13000334 + 13000335.

It is an arithmetic number, because the mean of its divisors is an integer number (13000335).

Almost surely, 2^26000669 is an apocalyptic number.

It is an amenable number.

26000669 is a deficient number, since it is larger than the sum of its proper divisors (1).

26000669 is an equidigital number, since it uses as much as digits as its factorization.

26000669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 26000669 is about 5099.0851140180. The cubic root of 26000669 is about 296.2521477290.

The spelling of 26000669 in words is "twenty-six million, six hundred sixty-nine", and thus it is an aban number.