63384645 has 16 divisors (see below), whose sum is σ = 101724480. Its totient is φ = 33702144.

The previous prime is 63384637. The next prime is 63384679. The reversal of 63384645 is 54648336.

63384645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63384645 - 2³ = 63384637 is a prime.

It is a super-2 number, since 2×63384645² = 8035226443552050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1215 + ... + 11324.

It is an arithmetic number, because the mean of its divisors is an integer number (6357780).

Almost surely, 2^63384645 is an apocalyptic number.

It is an amenable number.

63384645 is a deficient number, since it is larger than the sum of its proper divisors (38339835).

63384645 is a wasteful number, since it uses less digits than its factorization.

63384645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12884.

The product of its digits is 207360, while the sum is 39.

The square root of 63384645 is about 7961.4474186545. The cubic root of 63384645 is about 398.7138795844.

The spelling of 63384645 in words is "sixty-three million, three hundred eighty-four thousand, six hundred forty-five".