4243007789 has 4 divisors (see below), whose sum is σ = 4379879040. Its totient is φ = 4106136540.

The previous prime is 4243007779. The next prime is 4243007801. The reversal of 4243007789 is 9877003424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4243007789 - 2⁴ = 4243007773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243007729) 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 in 3 ways as a sum of consecutive naturals, for example, 68435579 + ... + 68435640.

It is an arithmetic number, because the mean of its divisors is an integer number (1094969760).

Almost surely, 2^4243007789 is an apocalyptic number.

It is an amenable number.

4243007789 is a deficient number, since it is larger than the sum of its proper divisors (136871251).

4243007789 is a wasteful number, since it uses less digits than its factorization.

4243007789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136871250.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 4243007789 is about 65138.3741660782. The cubic root of 4243007789 is about 1618.9170973752.

The spelling of 4243007789 in words is "four billion, two hundred forty-three million, seven thousand, seven hundred eighty-nine".