26338643 has 2 divisors, whose sum is σ = 26338644. Its totient is φ = 26338642.

The previous prime is 26338573. The next prime is 26338691. The reversal of 26338643 is 34683362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26338643 - 2¹⁴ = 26322259 is a prime.

It is not a weakly prime, because it can be changed into another prime (26338843) 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, 13169321 + 13169322.

It is an arithmetic number, because the mean of its divisors is an integer number (13169322).

Almost surely, 2^26338643 is an apocalyptic number.

26338643 is a deficient number, since it is larger than the sum of its proper divisors (1).

26338643 is an equidigital number, since it uses as much as digits as its factorization.

26338643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 35.

The square root of 26338643 is about 5132.1187632400. The cubic root of 26338643 is about 297.5302532612.

The spelling of 26338643 in words is "twenty-six million, three hundred thirty-eight thousand, six hundred forty-three".