26946329 has 2 divisors, whose sum is σ = 26946330. Its totient is φ = 26946328.

The previous prime is 26946299. The next prime is 26946341. The reversal of 26946329 is 92364962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26543104 + 403225 = 5152^2 + 635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26946329 is a prime.

It is a super-2 number, since 2×26946329² = 1452209293152482, which contains 22 as substring.

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 (26946349) 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, 13473164 + 13473165.

It is an arithmetic number, because the mean of its divisors is an integer number (13473165).

Almost surely, 2^26946329 is an apocalyptic number.

It is an amenable number.

26946329 is a deficient number, since it is larger than the sum of its proper divisors (1).

26946329 is an equidigital number, since it uses as much as digits as its factorization.

26946329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 41.

The square root of 26946329 is about 5190.9853592550. The cubic root of 26946329 is about 299.8010866593.

The spelling of 26946329 in words is "twenty-six million, nine hundred forty-six thousand, three hundred twenty-nine".