4579371985 has 12 divisors (see below), whose sum is σ = 5600277468. Its totient is φ = 3593510336.

The previous prime is 4579371977. The next prime is 4579371997. The reversal of 4579371985 is 5891739754.

It can be written as a sum of positive squares in 6 ways, for example, as 7744 + 4579364241 = 88^2 + 67671^2 .

It is not a de Polignac number, because 4579371985 - 2³ = 4579371977 is a prime.

It is a Duffinian number.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 1099527 + ... + 1103683.

It is an arithmetic number, because the mean of its divisors is an integer number (466689789).

Almost surely, 2^4579371985 is an apocalyptic number.

It is an amenable number.

4579371985 is a deficient number, since it is larger than the sum of its proper divisors (1020905483).

4579371985 is an frugal number, since it uses more digits than its factorization.

4579371985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372 (or 4215 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 58.

The square root of 4579371985 is about 67671.0572179865. The cubic root of 4579371985 is about 1660.6137935587.

The spelling of 4579371985 in words is "four billion, five hundred seventy-nine million, three hundred seventy-one thousand, nine hundred eighty-five".