849606484789 has 2 divisors, whose sum is σ = 849606484790. Its totient is φ = 849606484788.

The previous prime is 849606484777. The next prime is 849606484813. The reversal of 849606484789 is 987484606948.

849606484789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 848502584164 + 1103900625 = 921142^2 + 33225^2 .

It is a cyclic number.

It is not a de Polignac number, because 849606484789 - 2⁵ = 849606484757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849606484709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424803242394 + 424803242395.

It is an arithmetic number, because the mean of its divisors is an integer number (424803242395).

Almost surely, 2^849606484789 is an apocalyptic number.

It is an amenable number.

849606484789 is a deficient number, since it is larger than the sum of its proper divisors (1).

849606484789 is an equidigital number, since it uses as much as digits as its factorization.

849606484789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 668860416, while the sum is 73.

The spelling of 849606484789 in words is "eight hundred forty-nine billion, six hundred six million, four hundred eighty-four thousand, seven hundred eighty-nine".