4644986816 has 14 divisors (see below), whose sum is σ = 9217395840. Its totient is φ = 2322493376.

The previous prime is 4644986741. The next prime is 4644986881. The reversal of 4644986816 is 6186894464.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36288896 + ... + 36289023.

Almost surely, 2^4644986816 is an apocalyptic number.

It is an amenable number.

4644986816 is a deficient number, since it is larger than the sum of its proper divisors (4572409024).

4644986816 is an equidigital number, since it uses as much as digits as its factorization.

4644986816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72577931 (or 72577921 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 56.

The square root of 4644986816 is about 68154.1401236931. The cubic root of 4644986816 is about 1668.5074950930.

The spelling of 4644986816 in words is "four billion, six hundred forty-four million, nine hundred eighty-six thousand, eight hundred sixteen".