26380919 has 2 divisors, whose sum is σ = 26380920. Its totient is φ = 26380918.

The previous prime is 26380903. The next prime is 26380933. The reversal of 26380919 is 91908362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26380919 - 2⁴ = 26380903 is a prime.

It is a super-2 number, since 2×26380919² = 1391905774569122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26380979) 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, 13190459 + 13190460.

It is an arithmetic number, because the mean of its divisors is an integer number (13190460).

Almost surely, 2^26380919 is an apocalyptic number.

26380919 is a deficient number, since it is larger than the sum of its proper divisors (1).

26380919 is an equidigital number, since it uses as much as digits as its factorization.

26380919 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 38.

The square root of 26380919 is about 5136.2358785398. The cubic root of 26380919 is about 297.6893561827.

The spelling of 26380919 in words is "twenty-six million, three hundred eighty thousand, nine hundred nineteen".