4981645128 has 32 divisors (see below), whose sum is σ = 12457684800. Its totient is φ = 1660072128.

The previous prime is 4981645111. The next prime is 4981645139. The reversal of 4981645128 is 8215461894.

It is a super-3 number, since 3×4981645128³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61350 + ... + 117162.

It is an arithmetic number, because the mean of its divisors is an integer number (389302650).

Almost surely, 2^4981645128 is an apocalyptic number.

It is an amenable number.

4981645128 is an abundant number, since it is smaller than the sum of its proper divisors (7476039672).

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

4981645128 is a wasteful number, since it uses less digits than its factorization.

4981645128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59541 (or 59537 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 4981645128 is about 70580.7702423259. The cubic root of 4981645128 is about 1707.8809550531.

The spelling of 4981645128 in words is "four billion, nine hundred eighty-one million, six hundred forty-five thousand, one hundred twenty-eight".