26814649 has 2 divisors, whose sum is σ = 26814650. Its totient is φ = 26814648.

The previous prime is 26814631. The next prime is 26814701. The reversal of 26814649 is 94641862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21455424 + 5359225 = 4632^2 + 2315^2 .

It is a cyclic number.

It is not a de Polignac number, because 26814649 - 2⁵ = 26814617 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26824649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13407324 + 13407325.

It is an arithmetic number, because the mean of its divisors is an integer number (13407325).

Almost surely, 2^26814649 is an apocalyptic number.

It is an amenable number.

26814649 is a deficient number, since it is larger than the sum of its proper divisors (1).

26814649 is an equidigital number, since it uses as much as digits as its factorization.

26814649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 26814649 is about 5178.2862995396. The cubic root of 26814649 is about 299.3119379232.

The spelling of 26814649 in words is "twenty-six million, eight hundred fourteen thousand, six hundred forty-nine".