26064949 has 2 divisors, whose sum is σ = 26064950. Its totient is φ = 26064948.

The previous prime is 26064947. The next prime is 26064959. The reversal of 26064949 is 94946062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19864849 + 6200100 = 4457^2 + 2490^2 .

It is a cyclic number.

It is not a de Polignac number, because 26064949 - 2¹ = 26064947 is a prime.

Together with 26064947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26064947) 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, 13032474 + 13032475.

It is an arithmetic number, because the mean of its divisors is an integer number (13032475).

Almost surely, 2^26064949 is an apocalyptic number.

It is an amenable number.

26064949 is a deficient number, since it is larger than the sum of its proper divisors (1).

26064949 is an equidigital number, since it uses as much as digits as its factorization.

26064949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 26064949 is about 5105.3843146231. The cubic root of 26064949 is about 296.4960826898.

The spelling of 26064949 in words is "twenty-six million, sixty-four thousand, nine hundred forty-nine".