2018365473 has 8 divisors (see below), whose sum is σ = 2709216000. Its totient is φ = 1336545968.

The previous prime is 2018365463. The next prime is 2018365537. The reversal of 2018365473 is 3745638102.

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

It is a cyclic number.

It is not a de Polignac number, because 2018365473 - 2⁴ = 2018365457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2018365423) 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 7 ways as a sum of consecutive naturals, for example, 2257233 + ... + 2258126.

It is an arithmetic number, because the mean of its divisors is an integer number (338652000).

Almost surely, 2^2018365473 is an apocalyptic number.

It is an amenable number.

2018365473 is a deficient number, since it is larger than the sum of its proper divisors (690850527).

2018365473 is a wasteful number, since it uses less digits than its factorization.

2018365473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515511.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 2018365473 is about 44926.2225543168. Note that the first 3 decimals coincide. The cubic root of 2018365473 is about 1263.7658129886.

The spelling of 2018365473 in words is "two billion, eighteen million, three hundred sixty-five thousand, four hundred seventy-three".