4499779985 has 16 divisors (see below), whose sum is σ = 5493815040. Its totient is φ = 3537224640.

The previous prime is 4499779981. The next prime is 4499780017. The reversal of 4499779985 is 5899779944.

It is not a de Polignac number, because 4499779985 - 2² = 4499779981 is a prime.

It is a super-3 number, since 3×4499779985³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4499779981) 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 15 ways as a sum of consecutive naturals, for example, 317276 + ... + 331154.

It is an arithmetic number, because the mean of its divisors is an integer number (343363440).

Almost surely, 2^4499779985 is an apocalyptic number.

It is an amenable number.

4499779985 is a deficient number, since it is larger than the sum of its proper divisors (994035055).

4499779985 is a wasteful number, since it uses less digits than its factorization.

4499779985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15008.

The product of its digits is 205752960, while the sum is 71.

The square root of 4499779985 is about 67080.3994099618. The cubic root of 4499779985 is about 1650.9367175820.

The spelling of 4499779985 in words is "four billion, four hundred ninety-nine million, seven hundred seventy-nine thousand, nine hundred eighty-five".