63066649 has 2 divisors, whose sum is σ = 63066650. Its totient is φ = 63066648.

The previous prime is 63066629. The next prime is 63066691. The reversal of 63066649 is 94666036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56851600 + 6215049 = 7540^2 + 2493^2 .

It is a cyclic number.

It is not a de Polignac number, because 63066649 - 2⁹ = 63066137 is a prime.

It is equal to p_3732997 and since 63066649 and 3732997 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (63066629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31533324 + 31533325.

It is an arithmetic number, because the mean of its divisors is an integer number (31533325).

Almost surely, 2^63066649 is an apocalyptic number.

It is an amenable number.

63066649 is a deficient number, since it is larger than the sum of its proper divisors (1).

63066649 is an equidigital number, since it uses as much as digits as its factorization.

63066649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 63066649 is about 7941.4513157231. The cubic root of 63066649 is about 398.0459888947.

The spelling of 63066649 in words is "sixty-three million, sixty-six thousand, six hundred forty-nine".