4989239481 has 16 divisors (see below), whose sum is σ = 6686668800. Its totient is φ = 3309013008.

The previous prime is 4989239467. The next prime is 4989239491. The reversal of 4989239481 is 1849329894.

It is not a de Polignac number, because 4989239481 - 2²⁷ = 4855021753 is a prime.

It is a super-2 number, since 2×4989239481² = 49785021197538298722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4989239491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899940 + ... + 905466.

It is an arithmetic number, because the mean of its divisors is an integer number (417916800).

Almost surely, 2^4989239481 is an apocalyptic number.

It is an amenable number.

4989239481 is a deficient number, since it is larger than the sum of its proper divisors (1697429319).

4989239481 is a wasteful number, since it uses less digits than its factorization.

4989239481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7028.

The product of its digits is 4478976, while the sum is 57.

The square root of 4989239481 is about 70634.5487774927. The cubic root of 4989239481 is about 1708.7483837299.

The spelling of 4989239481 in words is "four billion, nine hundred eighty-nine million, two hundred thirty-nine thousand, four hundred eighty-one".