4018130243 has 2 divisors, whose sum is σ = 4018130244. Its totient is φ = 4018130242.

The previous prime is 4018130239. The next prime is 4018130261. The reversal of 4018130243 is 3420318104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4018130243 - 2² = 4018130239 is a prime.

It is a super-2 number, since 2×4018130243² = 32290741299422478098, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4018130213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2009065121 + 2009065122.

It is an arithmetic number, because the mean of its divisors is an integer number (2009065122).

Almost surely, 2^4018130243 is an apocalyptic number.

4018130243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4018130243 is an equidigital number, since it uses as much as digits as its factorization.

4018130243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4018130243 is about 63388.7233110117. The cubic root of 4018130243 is about 1589.7957681063.

Adding to 4018130243 its reverse (3420318104), we get a palindrome (7438448347).

The spelling of 4018130243 in words is "four billion, eighteen million, one hundred thirty thousand, two hundred forty-three".