4493518605 has 16 divisors (see below), whose sum is σ = 7988477760. Its totient is φ = 2396543184.

The previous prime is 4493518493. The next prime is 4493518609. The reversal of 4493518605 is 5068153944.

4493518605 is a `hidden beast` number, since 4 + 4 + 9 + 35 + 1 + 8 + 605 = 666.

It is not a de Polignac number, because 4493518605 - 2⁹ = 4493518093 is a prime.

It is a super-2 number, since 2×4493518605² = 40383418906962292050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4493518609) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16642527 + ... + 16642796.

It is an arithmetic number, because the mean of its divisors is an integer number (499279860).

Almost surely, 2^4493518605 is an apocalyptic number.

4493518605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4493518605 is a deficient number, since it is larger than the sum of its proper divisors (3494959155).

4493518605 is a wasteful number, since it uses less digits than its factorization.

4493518605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33285337 (or 33285331 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 4493518605 is about 67033.7124512734. The cubic root of 4493518605 is about 1650.1706104574.

The spelling of 4493518605 in words is "four billion, four hundred ninety-three million, five hundred eighteen thousand, six hundred five".