26090849 has 2 divisors, whose sum is σ = 26090850. Its totient is φ = 26090848.

The previous prime is 26090843. The next prime is 26090863. The reversal of 26090849 is 94809062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21390625 + 4700224 = 4625^2 + 2168^2 .

It is a cyclic number.

It is not a de Polignac number, because 26090849 - 2⁴ = 26090833 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (26090843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13045424 + 13045425.

It is an arithmetic number, because the mean of its divisors is an integer number (13045425).

Almost surely, 2^26090849 is an apocalyptic number.

It is an amenable number.

26090849 is a deficient number, since it is larger than the sum of its proper divisors (1).

26090849 is an equidigital number, since it uses as much as digits as its factorization.

26090849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 26090849 is about 5107.9202225563. The cubic root of 26090849 is about 296.5942567600.

The spelling of 26090849 in words is "twenty-six million, ninety thousand, eight hundred forty-nine".