26343869 has 2 divisors, whose sum is σ = 26343870. Its totient is φ = 26343868.

The previous prime is 26343859. The next prime is 26343929. The reversal of 26343869 is 96834362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22676644 + 3667225 = 4762^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 26343869 - 2⁸ = 26343613 is a prime.

It is a super-2 number, since 2×26343869² = 1387998867778322, 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 (26343859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13171934 + 13171935.

It is an arithmetic number, because the mean of its divisors is an integer number (13171935).

Almost surely, 2^26343869 is an apocalyptic number.

It is an amenable number.

26343869 is a deficient number, since it is larger than the sum of its proper divisors (1).

26343869 is an equidigital number, since it uses as much as digits as its factorization.

26343869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 41.

The square root of 26343869 is about 5132.6278844272. The cubic root of 26343869 is about 297.5499301833.

The spelling of 26343869 in words is "twenty-six million, three hundred forty-three thousand, eight hundred sixty-nine".