2018381470845 has 16 divisors (see below), whose sum is σ = 3230166580992. Its totient is φ = 1076218041920.

The previous prime is 2018381470817. The next prime is 2018381470867. The reversal of 2018381470845 is 5480741838102.

It is a happy number.

It is not a de Polignac number, because 2018381470845 - 2⁹ = 2018381470333 is a prime.

It is a super-3 number, since 3×2018381470845³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15688542 + ... + 15816671.

It is an arithmetic number, because the mean of its divisors is an integer number (201885411312).

Almost surely, 2^{2018381470845} is an apocalyptic number.

It is an amenable number.

2018381470845 is a deficient number, since it is larger than the sum of its proper divisors (1211785110147).

2018381470845 is a wasteful number, since it uses less digits than its factorization.

2018381470845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31509492.

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 2018381470845 in words is "two trillion, eighteen billion, three hundred eighty-one million, four hundred seventy thousand, eight hundred forty-five".