211303285424797 has 2 divisors, whose sum is σ = 211303285424798. Its totient is φ = 211303285424796.

The previous prime is 211303285424773. The next prime is 211303285424839. The reversal of 211303285424797 is 797424582303112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193286902450756 + 18016382974041 = 13902766^2 + 4244571^2 .

It is a cyclic number.

It is not a de Polignac number, because 211303285424797 - 2¹⁹ = 211303284900509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211303285424747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105651642712398 + 105651642712399.

It is an arithmetic number, because the mean of its divisors is an integer number (105651642712399).

Almost surely, 2^{211303285424797} is an apocalyptic number.

It is an amenable number.

211303285424797 is a deficient number, since it is larger than the sum of its proper divisors (1).

211303285424797 is an equidigital number, since it uses as much as digits as its factorization.

211303285424797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 211303285424797 in words is "two hundred eleven trillion, three hundred three billion, two hundred eighty-five million, four hundred twenty-four thousand, seven hundred ninety-seven".