2018459449 has 16 divisors (see below), whose sum is σ = 2071863360. Its totient is φ = 1966003200.

The previous prime is 2018459437. The next prime is 2018459459. The reversal of 2018459449 is 9449548102.

It is a cyclic number.

It is not a de Polignac number, because 2018459449 - 2¹³ = 2018451257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2018459399 and 2018459408.

It is not an unprimeable number, because it can be changed into a prime (2018459459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1680049 + ... + 1681249.

It is an arithmetic number, because the mean of its divisors is an integer number (129491460).

Almost surely, 2^2018459449 is an apocalyptic number.

It is an amenable number.

2018459449 is a deficient number, since it is larger than the sum of its proper divisors (53403911).

2018459449 is a wasteful number, since it uses less digits than its factorization.

2018459449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 2018459449 is about 44927.2684346600. The cubic root of 2018459449 is about 1263.7854265182.

The spelling of 2018459449 in words is "two billion, eighteen million, four hundred fifty-nine thousand, four hundred forty-nine".