26091449 has 2 divisors, whose sum is σ = 26091450. Its totient is φ = 26091448.

The previous prime is 26091437. The next prime is 26091451. The reversal of 26091449 is 94419062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26081449 + 10000 = 5107^2 + 100^2 .

It is a cyclic number.

It is not a de Polignac number, because 26091449 - 2⁴ = 26091433 is a prime.

Together with 26091451, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (26091419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13045724 + 13045725.

It is an arithmetic number, because the mean of its divisors is an integer number (13045725).

Almost surely, 2^26091449 is an apocalyptic number.

It is an amenable number.

26091449 is a deficient number, since it is larger than the sum of its proper divisors (1).

26091449 is an equidigital number, since it uses as much as digits as its factorization.

26091449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 26091449 is about 5107.9789545377. The cubic root of 26091449 is about 296.5965302926.

The spelling of 26091449 in words is "twenty-six million, ninety-one thousand, four hundred forty-nine".