63809612 has 12 divisors (see below), whose sum is σ = 114390696. Its totient is φ = 31126560.

The previous prime is 63809611. The next prime is 63809623. The reversal of 63809612 is 21690836.

63809612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63809611) 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 in 3 ways as a sum of consecutive naturals, for example, 194378 + ... + 194705.

It is an arithmetic number, because the mean of its divisors is an integer number (9532558).

Almost surely, 2^63809612 is an apocalyptic number.

It is an amenable number.

63809612 is a deficient number, since it is larger than the sum of its proper divisors (50581084).

63809612 is a wasteful number, since it uses less digits than its factorization.

63809612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389128 (or 389126 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 63809612 is about 7988.0918873033. The cubic root of 63809612 is about 399.6029643705.

The spelling of 63809612 in words is "sixty-three million, eight hundred nine thousand, six hundred twelve".