4947428980 has 24 divisors (see below), whose sum is σ = 11188801512. Its totient is φ = 1826742912.

The previous prime is 4947428953. The next prime is 4947428987. The reversal of 4947428980 is 898247494.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 225540324 + 4721888656 = 15018^2 + 68716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4947428987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9514027 + ... + 9514546.

It is an arithmetic number, because the mean of its divisors is an integer number (466200063).

Almost surely, 2^4947428980 is an apocalyptic number.

It is an amenable number.

4947428980 is an abundant number, since it is smaller than the sum of its proper divisors (6241372532).

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

4947428980 is a wasteful number, since it uses less digits than its factorization.

4947428980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19028595 (or 19028593 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The square root of 4947428980 is about 70337.9625806719. The cubic root of 4947428980 is about 1703.9618072251.

The spelling of 4947428980 in words is "four billion, nine hundred forty-seven million, four hundred twenty-eight thousand, nine hundred eighty".