26394749 has 2 divisors, whose sum is σ = 26394750. Its totient is φ = 26394748.

The previous prime is 26394737. The next prime is 26394751. The reversal of 26394749 is 94749362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16345849 + 10048900 = 4043^2 + 3170^2 .

It is a cyclic number.

It is not a de Polignac number, because 26394749 - 2¹² = 26390653 is a prime.

Together with 26394751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26394799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13197374 + 13197375.

It is an arithmetic number, because the mean of its divisors is an integer number (13197375).

Almost surely, 2^26394749 is an apocalyptic number.

It is an amenable number.

26394749 is a deficient number, since it is larger than the sum of its proper divisors (1).

26394749 is an equidigital number, since it uses as much as digits as its factorization.

26394749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 26394749 is about 5137.5820188100. The cubic root of 26394749 is about 297.7413675697.

The spelling of 26394749 in words is "twenty-six million, three hundred ninety-four thousand, seven hundred forty-nine".