2018671201 has 4 divisors (see below), whose sum is σ = 2018822292. Its totient is φ = 2018520112.

The previous prime is 2018671043. The next prime is 2018671217. The reversal of 2018671201 is 1021768102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1117230625 + 901440576 = 33425^2 + 30024^2 .

It is a cyclic number.

It is not a de Polignac number, because 2018671201 - 2¹⁹ = 2018146913 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 2018671201.

It is not an unprimeable number, because it can be changed into a prime (2018671301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53326 + ... + 82951.

It is an arithmetic number, because the mean of its divisors is an integer number (504705573).

Almost surely, 2^2018671201 is an apocalyptic number.

It is an amenable number.

2018671201 is a deficient number, since it is larger than the sum of its proper divisors (151091).

2018671201 is a wasteful number, since it uses less digits than its factorization.

2018671201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151090.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 2018671201 is about 44929.6249817423. The cubic root of 2018671201 is about 1263.8296185932.

The spelling of 2018671201 in words is "two billion, eighteen million, six hundred seventy-one thousand, two hundred one".