851374092229 has 2 divisors, whose sum is σ = 851374092230. Its totient is φ = 851374092228.

The previous prime is 851374092227. The next prime is 851374092241. The reversal of 851374092229 is 922290473158.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 806430940225 + 44943152004 = 898015^2 + 211998^2 .

It is a cyclic number.

It is not a de Polignac number, because 851374092229 - 2¹ = 851374092227 is a prime.

Together with 851374092227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (851374092223) 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, 425687046114 + 425687046115.

It is an arithmetic number, because the mean of its divisors is an integer number (425687046115).

Almost surely, 2^851374092229 is an apocalyptic number.

It is an amenable number.

851374092229 is a deficient number, since it is larger than the sum of its proper divisors (1).

851374092229 is an equidigital number, since it uses as much as digits as its factorization.

851374092229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 851374092229 in words is "eight hundred fifty-one billion, three hundred seventy-four million, ninety-two thousand, two hundred twenty-nine".