26941909 has 2 divisors, whose sum is σ = 26941910. Its totient is φ = 26941908.

The previous prime is 26941877. The next prime is 26941913. The reversal of 26941909 is 90914962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24700900 + 2241009 = 4970^2 + 1497^2 .

It is a cyclic number.

It is not a de Polignac number, because 26941909 - 2⁵ = 26941877 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 (26941919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13470954 + 13470955.

It is an arithmetic number, because the mean of its divisors is an integer number (13470955).

Almost surely, 2^26941909 is an apocalyptic number.

It is an amenable number.

26941909 is a deficient number, since it is larger than the sum of its proper divisors (1).

26941909 is an equidigital number, since it uses as much as digits as its factorization.

26941909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 26941909 is about 5190.5596037422. The cubic root of 26941909 is about 299.7846936624.

The spelling of 26941909 in words is "twenty-six million, nine hundred forty-one thousand, nine hundred nine".