2018727841 has 8 divisors (see below), whose sum is σ = 2188607400. Its totient is φ = 1850932992.

The previous prime is 2018727791. The next prime is 2018727853. The reversal of 2018727841 is 1487278102.

It can be written as a sum of positive squares in 4 ways, for example, as 27783441 + 1990944400 = 5271^2 + 44620^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2018727841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2018727794 and 2018727803.

It is not an unprimeable number, because it can be changed into a prime (2018721841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519160 + ... + 523033.

It is an arithmetic number, because the mean of its divisors is an integer number (273575925).

Almost surely, 2^2018727841 is an apocalyptic number.

It is an amenable number.

2018727841 is a deficient number, since it is larger than the sum of its proper divisors (169879559).

2018727841 is a wasteful number, since it uses less digits than its factorization.

2018727841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042355.

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 2018727841 is about 44930.2552964036. The cubic root of 2018727841 is about 1263.8414386856.

The spelling of 2018727841 in words is "two billion, eighteen million, seven hundred twenty-seven thousand, eight hundred forty-one".