850526723149 has 2 divisors, whose sum is σ = 850526723150. Its totient is φ = 850526723148.

The previous prime is 850526723141. The next prime is 850526723159. The reversal of 850526723149 is 941327625058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850508172900 + 18550249 = 922230^2 + 4307^2 .

It is a cyclic number.

It is not a de Polignac number, because 850526723149 - 2³ = 850526723141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 850526723096 and 850526723105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850526723141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425263361574 + 425263361575.

It is an arithmetic number, because the mean of its divisors is an integer number (425263361575).

It is a 2-persistent number, because it is pandigital, and so is 2⋅850526723149 = 1701053446298, but 3⋅850526723149 = 2551580169447 is not.

Almost surely, 2^850526723149 is an apocalyptic number.

It is an amenable number.

850526723149 is a deficient number, since it is larger than the sum of its proper divisors (1).

850526723149 is an equidigital number, since it uses as much as digits as its factorization.

850526723149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 850526723149 in words is "eight hundred fifty billion, five hundred twenty-six million, seven hundred twenty-three thousand, one hundred forty-nine".