4973128992 has 144 divisors (see below), whose sum is σ = 15351598080. Its totient is φ = 1517999616.

The previous prime is 4973128991. The next prime is 4973128999. The reversal of 4973128992 is 2998213794.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (4973128991) 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, 470259 + ... + 480717.

It is an arithmetic number, because the mean of its divisors is an integer number (106608320).

Almost surely, 2^4973128992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4973128992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7675799040).

4973128992 is an abundant number, since it is smaller than the sum of its proper divisors (10378469088).

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

4973128992 is a wasteful number, since it uses less digits than its factorization.

4973128992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10615 (or 10604 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 4973128992 is about 70520.4154270237. The cubic root of 4973128992 is about 1706.9071909001.

The spelling of 4973128992 in words is "four billion, nine hundred seventy-three million, one hundred twenty-eight thousand, nine hundred ninety-two".