4856356789 has 4 divisors (see below), whose sum is σ = 4877199756. Its totient is φ = 4835513824.

The previous prime is 4856356787. The next prime is 4856356831. The reversal of 4856356789 is 9876536584.

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 2009280625 + 2847076164 = 44825^2 + 53358^2 .

It is a cyclic number.

It is not a de Polignac number, because 4856356789 - 2¹ = 4856356787 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 (4856356783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10421134 + ... + 10421599.

It is an arithmetic number, because the mean of its divisors is an integer number (1219299939).

Almost surely, 2^4856356789 is an apocalyptic number.

It is an amenable number.

4856356789 is a deficient number, since it is larger than the sum of its proper divisors (20842967).

4856356789 is a wasteful number, since it uses less digits than its factorization.

4856356789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20842966.

The product of its digits is 43545600, while the sum is 61.

The square root of 4856356789 is about 69687.5655264266. The cubic root of 4856356789 is about 1693.4414878073.

The spelling of 4856356789 in words is "four billion, eight hundred fifty-six million, three hundred fifty-six thousand, seven hundred eighty-nine".