4874578521 has 8 divisors (see below), whose sum is σ = 6881757984. Its totient is φ = 3058559040.

The previous prime is 4874578493. The next prime is 4874578529. The reversal of 4874578521 is 1258754784.

It is a happy number.

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

It is not a de Polignac number, because 4874578521 - 2¹⁰ = 4874577497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 95579971 = 4874578521 / (4 + 8 + 7 + 4 + 5 + 7 + 8 + 5 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (4874578529) by changing a digit.

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, 47789935 + ... + 47790036.

It is an arithmetic number, because the mean of its divisors is an integer number (860219748).

Almost surely, 2^4874578521 is an apocalyptic number.

It is an amenable number.

4874578521 is a deficient number, since it is larger than the sum of its proper divisors (2007179463).

4874578521 is a wasteful number, since it uses less digits than its factorization.

4874578521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95579991.

The product of its digits is 2508800, while the sum is 51.

The square root of 4874578521 is about 69818.1818797940. The cubic root of 4874578521 is about 1695.5568543070.

The spelling of 4874578521 in words is "four billion, eight hundred seventy-four million, five hundred seventy-eight thousand, five hundred twenty-one".