4509985828 has 12 divisors (see below), whose sum is σ = 8356738572. Its totient is φ = 2122346240.

The previous prime is 4509985793. The next prime is 4509985841. The reversal of 4509985828 is 8285899054.

It can be written as a sum of positive squares in 2 ways, for example, as 3587770404 + 922215424 = 59898^2 + 30368^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33161593 + ... + 33161728.

It is an arithmetic number, because the mean of its divisors is an integer number (696394881).

Almost surely, 2^4509985828 is an apocalyptic number.

It is an amenable number.

4509985828 is a deficient number, since it is larger than the sum of its proper divisors (3846752744).

4509985828 is a wasteful number, since it uses less digits than its factorization.

4509985828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66323342 (or 66323340 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 58.

The square root of 4509985828 is about 67156.4280467626. The cubic root of 4509985828 is about 1652.1839251197.

The spelling of 4509985828 in words is "four billion, five hundred nine million, nine hundred eighty-five thousand, eight hundred twenty-eight".