26738641 has 2 divisors, whose sum is σ = 26738642. Its totient is φ = 26738640.

The previous prime is 26738617. The next prime is 26738653. The reversal of 26738641 is 14683762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16524225 + 10214416 = 4065^2 + 3196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26738641 is a prime.

It is equal to p_1667773 and since 26738641 and 1667773 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26738641.

It is not a weakly prime, because it can be changed into another prime (26738141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13369320 + 13369321.

It is an arithmetic number, because the mean of its divisors is an integer number (13369321).

Almost surely, 2^26738641 is an apocalyptic number.

It is an amenable number.

26738641 is a deficient number, since it is larger than the sum of its proper divisors (1).

26738641 is an equidigital number, since it uses as much as digits as its factorization.

26738641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 26738641 is about 5170.9419838169. The cubic root of 26738641 is about 299.0288634083.

The spelling of 26738641 in words is "twenty-six million, seven hundred thirty-eight thousand, six hundred forty-one".