63449564 has 24 divisors (see below), whose sum is σ = 115668000. Its totient is φ = 30416960.

The previous prime is 63449557. The next prime is 63449579. The reversal of 63449564 is 46594436.

63449564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 15449 + ... + 19119.

It is an arithmetic number, because the mean of its divisors is an integer number (4819500).

Almost surely, 2^63449564 is an apocalyptic number.

It is an amenable number.

63449564 is a deficient number, since it is larger than the sum of its proper divisors (52218436).

63449564 is a wasteful number, since it uses less digits than its factorization.

63449564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853 (or 3851 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 63449564 is about 7965.5234605141. The cubic root of 63449564 is about 398.8499549934.

The spelling of 63449564 in words is "sixty-three million, four hundred forty-nine thousand, five hundred sixty-four".