849037375189 has 2 divisors, whose sum is σ = 849037375190. Its totient is φ = 849037375188.

The previous prime is 849037375181. The next prime is 849037375231. The reversal of 849037375189 is 981573730948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 846661300164 + 2376075025 = 920142^2 + 48745^2 .

It is a cyclic number.

It is not a de Polignac number, because 849037375189 - 2³ = 849037375181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 849037375189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849037375181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424518687594 + 424518687595.

It is an arithmetic number, because the mean of its divisors is an integer number (424518687595).

Almost surely, 2^849037375189 is an apocalyptic number.

It is an amenable number.

849037375189 is a deficient number, since it is larger than the sum of its proper divisors (1).

849037375189 is an equidigital number, since it uses as much as digits as its factorization.

849037375189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 849037375189 in words is "eight hundred forty-nine billion, thirty-seven million, three hundred seventy-five thousand, one hundred eighty-nine".