4243320001 has 2 divisors, whose sum is σ = 4243320002. Its totient is φ = 4243320000.

The previous prime is 4243319987. The next prime is 4243320031. The reversal of 4243320001 is 1000233424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2218410000 + 2024910001 = 47100^2 + 44999^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243320001 - 2⁹ = 4243319489 is a prime.

It is not a weakly prime, because it can be changed into another prime (4243320031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121660000 + 2121660001.

It is an arithmetic number, because the mean of its divisors is an integer number (2121660001).

Almost surely, 2^4243320001 is an apocalyptic number.

It is an amenable number.

4243320001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243320001 is an equidigital number, since it uses as much as digits as its factorization.

4243320001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4243320001 is about 65140.7706509525. The cubic root of 4243320001 is about 1618.9568045022.

Adding to 4243320001 its reverse (1000233424), we get a palindrome (5243553425).

The spelling of 4243320001 in words is "four billion, two hundred forty-three million, three hundred twenty thousand, one".