4993999428 has 48 divisors (see below), whose sum is σ = 12721201920. Its totient is φ = 1512237600.

The previous prime is 4993999427. The next prime is 4993999459. The reversal of 4993999428 is 8249993994.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (4993999421) 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 15 ways as a sum of consecutive naturals, for example, 179623 + ... + 205553.

It is an arithmetic number, because the mean of its divisors is an integer number (265025040).

Almost surely, 2^4993999428 is an apocalyptic number.

It is an amenable number.

4993999428 is an abundant number, since it is smaller than the sum of its proper divisors (7727202492).

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

4993999428 is a wasteful number, since it uses less digits than its factorization.

4993999428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27408 (or 27406 counting only the distinct ones).

The product of its digits is 45349632, while the sum is 66.

The square root of 4993999428 is about 70668.2349291391. The cubic root of 4993999428 is about 1709.2916172600.

The spelling of 4993999428 in words is "four billion, nine hundred ninety-three million, nine hundred ninety-nine thousand, four hundred twenty-eight".