4989087305 has 4 divisors (see below), whose sum is σ = 5986904772. Its totient is φ = 3991269840.

The previous prime is 4989087293. The next prime is 4989087349. The reversal of 4989087305 is 5037809894.

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 790565689 + 4198521616 = 28117^2 + 64796^2 .

It is not a de Polignac number, because 4989087305 - 2⁸ = 4989087049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498908726 + ... + 498908735.

It is an arithmetic number, because the mean of its divisors is an integer number (1496726193).

Almost surely, 2^4989087305 is an apocalyptic number.

It is an amenable number.

4989087305 is a deficient number, since it is larger than the sum of its proper divisors (997817467).

4989087305 is an equidigital number, since it uses as much as digits as its factorization.

4989087305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997817466.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 4989087305 is about 70633.4715627089. The cubic root of 4989087305 is about 1708.7310107990.

The spelling of 4989087305 in words is "four billion, nine hundred eighty-nine million, eighty-seven thousand, three hundred five".