4721995808 has 48 divisors (see below), whose sum is σ = 9570052800. Its totient is φ = 2292170496.

The previous prime is 4721995777. The next prime is 4721995819. The reversal of 4721995808 is 8085991274.

It is a self number, because there is not a number n which added to its sum of digits gives 4721995808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219518 + ... + 240066.

It is an arithmetic number, because the mean of its divisors is an integer number (199376100).

Almost surely, 2^4721995808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4721995808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4785026400).

4721995808 is an abundant number, since it is smaller than the sum of its proper divisors (4848056992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4721995808 is a wasteful number, since it uses less digits than its factorization.

4721995808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20769 (or 20761 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 53.

The square root of 4721995808 is about 68716.7796684332. The cubic root of 4721995808 is about 1677.6777021288.

The spelling of 4721995808 in words is "four billion, seven hundred twenty-one million, nine hundred ninety-five thousand, eight hundred eight".