63933449 has 2 divisors, whose sum is σ = 63933450. Its totient is φ = 63933448.

The previous prime is 63933421. The next prime is 63933497. The reversal of 63933449 is 94433936.

63933449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58675600 + 5257849 = 7660^2 + 2293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63933449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63933349) 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, 31966724 + 31966725.

It is an arithmetic number, because the mean of its divisors is an integer number (31966725).

Almost surely, 2^63933449 is an apocalyptic number.

It is an amenable number.

63933449 is a deficient number, since it is larger than the sum of its proper divisors (1).

63933449 is an equidigital number, since it uses as much as digits as its factorization.

63933449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 41.

The square root of 63933449 is about 7995.8394806299. The cubic root of 63933449 is about 399.8613039974.

The spelling of 63933449 in words is "sixty-three million, nine hundred thirty-three thousand, four hundred forty-nine".