4243012271 has 2 divisors, whose sum is σ = 4243012272. Its totient is φ = 4243012270.

The previous prime is 4243012231. The next prime is 4243012297. The reversal of 4243012271 is 1722103424.

It is an a-pointer prime, because the next prime (4243012297) can be obtained adding 4243012271 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4243012271 - 2¹⁰ = 4243011247 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4243012271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4243012231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121506135 + 2121506136.

It is an arithmetic number, because the mean of its divisors is an integer number (2121506136).

Almost surely, 2^4243012271 is an apocalyptic number.

4243012271 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243012271 is an equidigital number, since it uses as much as digits as its factorization.

4243012271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 4243012271 is about 65138.4085697525. The cubic root of 4243012271 is about 1618.9176674098.

Adding to 4243012271 its reverse (1722103424), we get a palindrome (5965115695).

The spelling of 4243012271 in words is "four billion, two hundred forty-three million, twelve thousand, two hundred seventy-one".