4242242117 has 2 divisors, whose sum is σ = 4242242118. Its totient is φ = 4242242116.

The previous prime is 4242242077. The next prime is 4242242167. The reversal of 4242242117 is 7112422424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4072226596 + 170015521 = 63814^2 + 13039^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4242242117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4242242117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4242242167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121121058 + 2121121059.

It is an arithmetic number, because the mean of its divisors is an integer number (2121121059).

Almost surely, 2^4242242117 is an apocalyptic number.

It is an amenable number.

4242242117 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242242117 is an equidigital number, since it uses as much as digits as its factorization.

4242242117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7168, while the sum is 29.

The square root of 4242242117 is about 65132.4966280274. The cubic root of 4242242117 is about 1618.8197109517.

The spelling of 4242242117 in words is "four billion, two hundred forty-two million, two hundred forty-two thousand, one hundred seventeen".