2018484809 has 8 divisors (see below), whose sum is σ = 2210172480. Its totient is φ = 1828162000.

The previous prime is 2018484739. The next prime is 2018484827. The reversal of 2018484809 is 9084848102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2018484809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2018484809.

It is not an unprimeable number, because it can be changed into a prime (2018484859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338117 + ... + 344034.

It is an arithmetic number, because the mean of its divisors is an integer number (276271560).

Almost surely, 2^2018484809 is an apocalyptic number.

It is an amenable number.

2018484809 is a deficient number, since it is larger than the sum of its proper divisors (191687671).

2018484809 is a wasteful number, since it uses less digits than its factorization.

2018484809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682431.

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 2018484809 is about 44927.5506677139. The cubic root of 2018484809 is about 1263.7907192452.

The spelling of 2018484809 in words is "two billion, eighteen million, four hundred eighty-four thousand, eight hundred nine".