4242210191 has 2 divisors, whose sum is σ = 4242210192. Its totient is φ = 4242210190.

The previous prime is 4242210163. The next prime is 4242210223. The reversal of 4242210191 is 1910122424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4242210191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4242210191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4242210101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121105095 + 2121105096.

It is an arithmetic number, because the mean of its divisors is an integer number (2121105096).

Almost surely, 2^4242210191 is an apocalyptic number.

4242210191 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242210191 is an equidigital number, since it uses as much as digits as its factorization.

4242210191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4242210191 is about 65132.2515425346. The cubic root of 4242210191 is about 1618.8156500041.

The spelling of 4242210191 in words is "four billion, two hundred forty-two million, two hundred ten thousand, one hundred ninety-one".