2018243937 has 4 divisors (see below), whose sum is σ = 2690991920. Its totient is φ = 1345495956.

The previous prime is 2018243917. The next prime is 2018243947. The reversal of 2018243937 is 7393428102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2018243937 - 2⁸ = 2018243681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2018243895 and 2018243904.

It is not an unprimeable number, because it can be changed into a prime (2018243917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336373987 + ... + 336373992.

It is an arithmetic number, because the mean of its divisors is an integer number (672747980).

Almost surely, 2^2018243937 is an apocalyptic number.

It is an amenable number.

2018243937 is a deficient number, since it is larger than the sum of its proper divisors (672747983).

2018243937 is an equidigital number, since it uses as much as digits as its factorization.

2018243937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672747982.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 2018243937 is about 44924.8699163392. The cubic root of 2018243937 is about 1263.7404465677.

It can be divided in two parts, 201824 and 3937, that added together give a triangular number (205761 = T₆₄₁).

The spelling of 2018243937 in words is "two billion, eighteen million, two hundred forty-three thousand, nine hundred thirty-seven".