4686643448 has 16 divisors (see below), whose sum is σ = 8788188480. Its totient is φ = 2343126528.

The previous prime is 4686643447. The next prime is 4686643469. The reversal of 4686643448 is 8443466864.

It is a self number, because there is not a number n which added to its sum of digits gives 4686643448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4686643441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156761 + ... + 184247.

It is an arithmetic number, because the mean of its divisors is an integer number (549261780).

Almost surely, 2^4686643448 is an apocalyptic number.

It is an amenable number.

4686643448 is a deficient number, since it is larger than the sum of its proper divisors (4101545032).

4686643448 is a wasteful number, since it uses less digits than its factorization.

4686643448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48806 (or 48802 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 53.

The square root of 4686643448 is about 68459.0640309959. The cubic root of 4686643448 is about 1673.4804304833.

The spelling of 4686643448 in words is "four billion, six hundred eighty-six million, six hundred forty-three thousand, four hundred forty-eight".