849920212201 has 2 divisors, whose sum is σ = 849920212202. Its totient is φ = 849920212200.

The previous prime is 849920212187. The next prime is 849920212249. The reversal of 849920212201 is 102212029948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 824371386601 + 25548825600 = 907949^2 + 159840^2 .

It is a cyclic number.

It is not a de Polignac number, because 849920212201 - 2⁹ = 849920211689 is a prime.

It is not a weakly prime, because it can be changed into another prime (849920212291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424960106100 + 424960106101.

It is an arithmetic number, because the mean of its divisors is an integer number (424960106101).

Almost surely, 2^849920212201 is an apocalyptic number.

It is an amenable number.

849920212201 is a deficient number, since it is larger than the sum of its proper divisors (1).

849920212201 is an equidigital number, since it uses as much as digits as its factorization.

849920212201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 849920212201 in words is "eight hundred forty-nine billion, nine hundred twenty million, two hundred twelve thousand, two hundred one".