65749049 has 2 divisors, whose sum is σ = 65749050. Its totient is φ = 65749048.

The previous prime is 65749007. The next prime is 65749051. The reversal of 65749049 is 94094756.

65749049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65723449 + 25600 = 8107^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 65749049 - 2¹² = 65744953 is a prime.

It is a Sophie Germain prime.

Together with 65749051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (65749549) 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, 32874524 + 32874525.

It is an arithmetic number, because the mean of its divisors is an integer number (32874525).

Almost surely, 2^65749049 is an apocalyptic number.

It is an amenable number.

65749049 is a deficient number, since it is larger than the sum of its proper divisors (1).

65749049 is an equidigital number, since it uses as much as digits as its factorization.

65749049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 65749049 is about 8108.5787287292. The cubic root of 65749049 is about 403.6111529137.

The spelling of 65749049 in words is "sixty-five million, seven hundred forty-nine thousand, forty-nine".