4998489999 has 24 divisors (see below), whose sum is σ = 7132619520. Its totient is φ = 3105056160.

The previous prime is 4998489989. The next prime is 4998490009. The reversal of 4998489999 is 9999848994.

It is a Cunningham number, because it is equal to 70700²-1.

It is an interprime number because it is at equal distance from previous prime (4998489989) and next prime (4998490009).

It is not a de Polignac number, because 4998489999 - 2⁷ = 4998489871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4998489989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200314 + ... + 223880.

It is an arithmetic number, because the mean of its divisors is an integer number (297192480).

Almost surely, 2^4998489999 is an apocalyptic number.

4998489999 is a deficient number, since it is larger than the sum of its proper divisors (2134129521).

4998489999 is a wasteful number, since it uses less digits than its factorization.

4998489999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23711 (or 23650 counting only the distinct ones).

The product of its digits is 544195584, while the sum is 78.

The square root of 4998489999 is about 70699.9999929279. Note that the first 5 decimals coincide. The cubic root of 4998489999 is about 1709.8037916526.

The spelling of 4998489999 in words is "four billion, nine hundred ninety-eight million, four hundred eighty-nine thousand, nine hundred ninety-nine".