851116349 has 2 divisors, whose sum is σ = 851116350. Its totient is φ = 851116348.

The previous prime is 851116327. The next prime is 851116379. The reversal of 851116349 is 943611158.

851116349 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., 554932249 + 296184100 = 23557^2 + 17210^2 .

It is a cyclic number.

It is not a de Polignac number, because 851116349 - 2⁸ = 851116093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (851116309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425558174 + 425558175.

It is an arithmetic number, because the mean of its divisors is an integer number (425558175).

Almost surely, 2^851116349 is an apocalyptic number.

It is an amenable number.

851116349 is a deficient number, since it is larger than the sum of its proper divisors (1).

851116349 is an equidigital number, since it uses as much as digits as its factorization.

851116349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 38.

The square root of 851116349 is about 29173.8984196490. The cubic root of 851116349 is about 947.6827545734.

The spelling of 851116349 in words is "eight hundred fifty-one million, one hundred sixteen thousand, three hundred forty-nine".