26964109 has 2 divisors, whose sum is σ = 26964110. Its totient is φ = 26964108.

The previous prime is 26964037. The next prime is 26964137. The reversal of 26964109 is 90146962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23912100 + 3052009 = 4890^2 + 1747^2 .

It is a cyclic number.

It is not a de Polignac number, because 26964109 - 2⁹ = 26963597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26964149) 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, 13482054 + 13482055.

It is an arithmetic number, because the mean of its divisors is an integer number (13482055).

Almost surely, 2^26964109 is an apocalyptic number.

It is an amenable number.

26964109 is a deficient number, since it is larger than the sum of its proper divisors (1).

26964109 is an equidigital number, since it uses as much as digits as its factorization.

26964109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 26964109 is about 5192.6976611392. The cubic root of 26964109 is about 299.8670114259.

The spelling of 26964109 in words is "twenty-six million, nine hundred sixty-four thousand, one hundred nine".