4243042319 has 2 divisors, whose sum is σ = 4243042320. Its totient is φ = 4243042318.

The previous prime is 4243042283. The next prime is 4243042327. The reversal of 4243042319 is 9132403424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4243042319 is a prime.

It is a super-2 number, since 2×4243042319² = 36006816241649795522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4243042619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121521159 + 2121521160.

It is an arithmetic number, because the mean of its divisors is an integer number (2121521160).

Almost surely, 2^4243042319 is an apocalyptic number.

4243042319 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243042319 is an equidigital number, since it uses as much as digits as its factorization.

4243042319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 4243042319 is about 65138.6392166738. The cubic root of 4243042319 is about 1618.9214889969.

The spelling of 4243042319 in words is "four billion, two hundred forty-three million, forty-two thousand, three hundred nineteen".