4728985849 has 4 divisors (see below), whose sum is σ = 5404555264. Its totient is φ = 4053416436.

The previous prime is 4728985847. The next prime is 4728985883. The reversal of 4728985849 is 9485898274.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4728985849 - 2¹ = 4728985847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4728985847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337784697 + ... + 337784710.

It is an arithmetic number, because the mean of its divisors is an integer number (1351138816).

Almost surely, 2^4728985849 is an apocalyptic number.

It is an amenable number.

4728985849 is a deficient number, since it is larger than the sum of its proper divisors (675569415).

4728985849 is an equidigital number, since it uses as much as digits as its factorization.

4728985849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675569414.

The product of its digits is 46448640, while the sum is 64.

The square root of 4728985849 is about 68767.6220979030. The cubic root of 4728985849 is about 1678.5051244437.

The spelling of 4728985849 in words is "four billion, seven hundred twenty-eight million, nine hundred eighty-five thousand, eight hundred forty-nine".