3018894809 has 16 divisors (see below), whose sum is σ = 3573582720. Its totient is φ = 2498254416.

The previous prime is 3018894803. The next prime is 3018894839. The reversal of 3018894809 is 9084988103.

It is not a de Polignac number, because 3018894809 - 2¹² = 3018890713 is a prime.

It is a super-2 number, since 2×3018894809² = 18227451735614292962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3018894803) 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, 161882 + ... + 179564.

It is an arithmetic number, because the mean of its divisors is an integer number (223348920).

Almost surely, 2^3018894809 is an apocalyptic number.

It is an amenable number.

3018894809 is a deficient number, since it is larger than the sum of its proper divisors (554687911).

3018894809 is an frugal number, since it uses more digits than its factorization.

3018894809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17777 (or 17719 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 3018894809 is about 54944.4702313163. The cubic root of 3018894809 is about 1445.2711278701.

The spelling of 3018894809 in words is "three billion, eighteen million, eight hundred ninety-four thousand, eight hundred nine".