212836170289 has 2 divisors, whose sum is σ = 212836170290. Its totient is φ = 212836170288.

The previous prime is 212836170229. The next prime is 212836170293. The reversal of 212836170289 is 982071638212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192209465889 + 20626704400 = 438417^2 + 143620^2 .

It is a cyclic number.

It is not a de Polignac number, because 212836170289 - 2⁷ = 212836170161 is a prime.

It is not a weakly prime, because it can be changed into another prime (212836170229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106418085144 + 106418085145.

It is an arithmetic number, because the mean of its divisors is an integer number (106418085145).

Almost surely, 2^212836170289 is an apocalyptic number.

It is an amenable number.

212836170289 is a deficient number, since it is larger than the sum of its proper divisors (1).

212836170289 is an equidigital number, since it uses as much as digits as its factorization.

212836170289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 212836170289 in words is "two hundred twelve billion, eight hundred thirty-six million, one hundred seventy thousand, two hundred eighty-nine".