4943809728 has 672 divisors, whose sum is σ = 18295315200. Its totient is φ = 1310100480.

The previous prime is 4943809699. The next prime is 4943809751. The reversal of 4943809728 is 8279083494.

4943809728 is a `hidden beast` number, since 494 + 3 + 80 + 9 + 72 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 95 ways as a sum of consecutive naturals, for example, 260200503 + ... + 260200521.

Almost surely, 2^4943809728 is an apocalyptic number.

4943809728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4943809728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9147657600).

4943809728 is an abundant number, since it is smaller than the sum of its proper divisors (13351505472).

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

4943809728 is a wasteful number, since it uses less digits than its factorization.

4943809728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The square root of 4943809728 is about 70312.2302874827. The cubic root of 4943809728 is about 1703.5461993314.

The spelling of 4943809728 in words is "four billion, nine hundred forty-three million, eight hundred nine thousand, seven hundred twenty-eight".