4856406689 has 2 divisors, whose sum is σ = 4856406690. Its totient is φ = 4856406688.

The previous prime is 4856406641. The next prime is 4856406701. The reversal of 4856406689 is 9866046584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3342574225 + 1513832464 = 57815^2 + 38908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4856406689 is a prime.

It is not a weakly prime, because it can be changed into another prime (4856406619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2428203344 + 2428203345.

It is an arithmetic number, because the mean of its divisors is an integer number (2428203345).

Almost surely, 2^4856406689 is an apocalyptic number.

It is an amenable number.

4856406689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4856406689 is an equidigital number, since it uses as much as digits as its factorization.

4856406689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9953280, while the sum is 56.

The square root of 4856406689 is about 69687.9235520761. The cubic root of 4856406689 is about 1693.4472879331.

The spelling of 4856406689 in words is "four billion, eight hundred fifty-six million, four hundred six thousand, six hundred eighty-nine".