4857730385 has 8 divisors (see below), whose sum is σ = 5829656616. Its totient is φ = 3885930880.

The previous prime is 4857730369. The next prime is 4857730421. The reversal of 4857730385 is 5830377584.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2183599441 + 2674130944 = 46729^2 + 51712^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4857730385 - 2⁴ = 4857730369 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 111437 + ... + 148773.

It is an arithmetic number, because the mean of its divisors is an integer number (728707077).

Almost surely, 2^4857730385 is an apocalyptic number.

It is an amenable number.

4857730385 is a deficient number, since it is larger than the sum of its proper divisors (971926231).

4857730385 is a wasteful number, since it uses less digits than its factorization.

4857730385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63363.

The product of its (nonzero) digits is 2822400, while the sum is 50.

The square root of 4857730385 is about 69697.4202176809. The cubic root of 4857730385 is about 1693.6011332151.

The spelling of 4857730385 in words is "four billion, eight hundred fifty-seven million, seven hundred thirty thousand, three hundred eighty-five".