4988731881 has 16 divisors (see below), whose sum is σ = 7609641984. Its totient is φ = 2847792144.

The previous prime is 4988731877. The next prime is 4988731883. The reversal of 4988731881 is 1881378894.

It is not a de Polignac number, because 4988731881 - 2² = 4988731877 is a prime.

It is a super-2 number, since 2×4988731881² = 49774891561011596322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4988731883) 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, 100191 + ... + 141476.

It is an arithmetic number, because the mean of its divisors is an integer number (475602624).

Almost surely, 2^4988731881 is an apocalyptic number.

It is an amenable number.

4988731881 is a deficient number, since it is larger than the sum of its proper divisors (2620910103).

4988731881 is a wasteful number, since it uses less digits than its factorization.

4988731881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242660.

The product of its digits is 3096576, while the sum is 57.

The square root of 4988731881 is about 70630.9555435858. The cubic root of 4988731881 is about 1708.6904330075.

The spelling of 4988731881 in words is "four billion, nine hundred eighty-eight million, seven hundred thirty-one thousand, eight hundred eighty-one".