4273823789 has 4 divisors (see below), whose sum is σ = 4295518524. Its totient is φ = 4252129056.

The previous prime is 4273823777. The next prime is 4273823797. The reversal of 4273823789 is 9873283724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2315053225 + 1958770564 = 48115^2 + 44258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4273823789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4273823789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4273823089) 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, 10847072 + ... + 10847465.

It is an arithmetic number, because the mean of its divisors is an integer number (1073879631).

Almost surely, 2^4273823789 is an apocalyptic number.

It is an amenable number.

4273823789 is a deficient number, since it is larger than the sum of its proper divisors (21694735).

4273823789 is a wasteful number, since it uses less digits than its factorization.

4273823789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21694734.

The product of its digits is 4064256, while the sum is 53.

The square root of 4273823789 is about 65374.4888240053. The cubic root of 4273823789 is about 1622.8269226944.

The spelling of 4273823789 in words is "four billion, two hundred seventy-three million, eight hundred twenty-three thousand, seven hundred eighty-nine".