213348843289 has 2 divisors, whose sum is σ = 213348843290. Its totient is φ = 213348843288.

The previous prime is 213348843259. The next prime is 213348843353. The reversal of 213348843289 is 982348843312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206679344400 + 6669498889 = 454620^2 + 81667^2 .

It is a cyclic number.

It is not a de Polignac number, because 213348843289 - 2¹⁹ = 213348319001 is a prime.

It is not a weakly prime, because it can be changed into another prime (213348843259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106674421644 + 106674421645.

It is an arithmetic number, because the mean of its divisors is an integer number (106674421645).

Almost surely, 2^213348843289 is an apocalyptic number.

It is an amenable number.

213348843289 is a deficient number, since it is larger than the sum of its proper divisors (1).

213348843289 is an equidigital number, since it uses as much as digits as its factorization.

213348843289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7962624, while the sum is 55.

The spelling of 213348843289 in words is "two hundred thirteen billion, three hundred forty-eight million, eight hundred forty-three thousand, two hundred eighty-nine".