4781283985 has 4 divisors (see below), whose sum is σ = 5737540788. Its totient is φ = 3825027184.

The previous prime is 4781283961. The next prime is 4781284007. The reversal of 4781283985 is 5893821874.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1959655824 + 2821628161 = 44268^2 + 53119^2 .

It is a cyclic number.

It is not a de Polignac number, because 4781283985 - 2¹⁵ = 4781251217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 478128394 + ... + 478128403.

It is an arithmetic number, because the mean of its divisors is an integer number (1434385197).

Almost surely, 2^4781283985 is an apocalyptic number.

It is an amenable number.

4781283985 is a deficient number, since it is larger than the sum of its proper divisors (956256803).

4781283985 is an equidigital number, since it uses as much as digits as its factorization.

4781283985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956256802.

The product of its digits is 3870720, while the sum is 55.

The square root of 4781283985 is about 69146.8291753136. The cubic root of 4781283985 is about 1684.6700167126.

The spelling of 4781283985 in words is "four billion, seven hundred eighty-one million, two hundred eighty-three thousand, nine hundred eighty-five".