858650730089 has 2 divisors, whose sum is σ = 858650730090. Its totient is φ = 858650730088.

The previous prime is 858650730083. The next prime is 858650730107. The reversal of 858650730089 is 980037056858.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 854450653225 + 4200076864 = 924365^2 + 64808^2 .

It is a cyclic number.

It is not a de Polignac number, because 858650730089 - 2⁴ = 858650730073 is a prime.

It is not a weakly prime, because it can be changed into another prime (858650730083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429325365044 + 429325365045.

It is an arithmetic number, because the mean of its divisors is an integer number (429325365045).

Almost surely, 2^858650730089 is an apocalyptic number.

It is an amenable number.

858650730089 is a deficient number, since it is larger than the sum of its proper divisors (1).

858650730089 is an equidigital number, since it uses as much as digits as its factorization.

858650730089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 858650730089 in words is "eight hundred fifty-eight billion, six hundred fifty million, seven hundred thirty thousand, eighty-nine".