64346449 has 2 divisors, whose sum is σ = 64346450. Its totient is φ = 64346448.

The previous prime is 64346437. The next prime is 64346461. The reversal of 64346449 is 94464346.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (64346437) and next prime (64346461).

It can be written as a sum of positive squares in only one way, i.e., 37638225 + 26708224 = 6135^2 + 5168^2 .

It is a cyclic number.

It is not a de Polignac number, because 64346449 - 2⁹ = 64345937 is a prime.

It is not a weakly prime, because it can be changed into another prime (64346489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32173224 + 32173225.

It is an arithmetic number, because the mean of its divisors is an integer number (32173225).

Almost surely, 2^64346449 is an apocalyptic number.

It is an amenable number.

64346449 is a deficient number, since it is larger than the sum of its proper divisors (1).

64346449 is an equidigital number, since it uses as much as digits as its factorization.

64346449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 40.

The square root of 64346449 is about 8021.6238381016. The cubic root of 64346449 is about 400.7204702773.

The spelling of 64346449 in words is "sixty-four million, three hundred forty-six thousand, four hundred forty-nine".