4889771998 has 16 divisors (see below), whose sum is σ = 7383934080. Its totient is φ = 2428491736.

The previous prime is 4889771941. The next prime is 4889772061. The reversal of 4889771998 is 8991779884.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331815 + ... + 346237.

It is an arithmetic number, because the mean of its divisors is an integer number (461495880).

Almost surely, 2^4889771998 is an apocalyptic number.

4889771998 is a deficient number, since it is larger than the sum of its proper divisors (2494162082).

4889771998 is a wasteful number, since it uses less digits than its factorization.

4889771998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15551.

The product of its digits is 73156608, while the sum is 70.

The square root of 4889771998 is about 69926.9046791004. The cubic root of 4889771998 is about 1697.3166430517.

The spelling of 4889771998 in words is "four billion, eight hundred eighty-nine million, seven hundred seventy-one thousand, nine hundred ninety-eight".