64969061 has 2 divisors, whose sum is σ = 64969062. Its totient is φ = 64969060.

The previous prime is 64969039. The next prime is 64969067. The reversal of 64969061 is 16096946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63504961 + 1464100 = 7969^2 + 1210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64969061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64969067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32484530 + 32484531.

It is an arithmetic number, because the mean of its divisors is an integer number (32484531).

Almost surely, 2^64969061 is an apocalyptic number.

It is an amenable number.

64969061 is a deficient number, since it is larger than the sum of its proper divisors (1).

64969061 is an equidigital number, since it uses as much as digits as its factorization.

64969061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 64969061 is about 8060.3387645930. The cubic root of 64969061 is about 402.0087722812.

The spelling of 64969061 in words is "sixty-four million, nine hundred sixty-nine thousand, sixty-one".