4243144417 has 2 divisors, whose sum is σ = 4243144418. Its totient is φ = 4243144416.

The previous prime is 4243144363. The next prime is 4243144459. The reversal of 4243144417 is 7144413424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2919348961 + 1323795456 = 54031^2 + 36384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4243144417 is a prime.

It is not a weakly prime, because it can be changed into another prime (4243142417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121572208 + 2121572209.

It is an arithmetic number, because the mean of its divisors is an integer number (2121572209).

Almost surely, 2^4243144417 is an apocalyptic number.

It is an amenable number.

4243144417 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243144417 is an equidigital number, since it uses as much as digits as its factorization.

4243144417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 34.

The square root of 4243144417 is about 65139.4229096328. The cubic root of 4243144417 is about 1618.9344739660.

The spelling of 4243144417 in words is "four billion, two hundred forty-three million, one hundred forty-four thousand, four hundred seventeen".