4201040243 has 2 divisors, whose sum is σ = 4201040244. Its totient is φ = 4201040242.

The previous prime is 4201040197. The next prime is 4201040267. The reversal of 4201040243 is 3420401024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4201040243 is a prime.

It is not a weakly prime, because it can be changed into another prime (4201040443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100520121 + 2100520122.

It is an arithmetic number, because the mean of its divisors is an integer number (2100520122).

Almost surely, 2^4201040243 is an apocalyptic number.

4201040243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4201040243 is an equidigital number, since it uses as much as digits as its factorization.

4201040243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4201040243 is about 64815.4321361819. The cubic root of 4201040243 is about 1613.5618380333.

Adding to 4201040243 its reverse (3420401024), we get a palindrome (7621441267).

The spelling of 4201040243 in words is "four billion, two hundred one million, forty thousand, two hundred forty-three".