2018436407271 has 20 divisors (see below), whose sum is σ = 3030981512064. Its totient is φ = 1338579108000.

The previous prime is 2018436407243. The next prime is 2018436407287. The reversal of 2018436407271 is 1727046348102.

2018436407271 is a `hidden beast` number, since 2 + 0 + 18 + 4 + 364 + 0 + 7 + 271 = 666.

It is not a de Polignac number, because 2018436407271 - 2⁹ = 2018436406759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018436408271) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65217430 + ... + 65248371.

Almost surely, 2^{2018436407271} is an apocalyptic number.

2018436407271 is a deficient number, since it is larger than the sum of its proper divisors (1012545104793).

2018436407271 is a wasteful number, since it uses less digits than its factorization.

2018436407271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130466004 (or 130465995 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 2018436407271 in words is "two trillion, eighteen billion, four hundred thirty-six million, four hundred seven thousand, two hundred seventy-one".