211404314293 has 2 divisors, whose sum is σ = 211404314294. Its totient is φ = 211404314292.

The previous prime is 211404314257. The next prime is 211404314333. The reversal of 211404314293 is 392413404112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209802473764 + 1601840529 = 458042^2 + 40023^2 .

It is a cyclic number.

It is not a de Polignac number, because 211404314293 - 2²¹ = 211402217141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211404314593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105702157146 + 105702157147.

It is an arithmetic number, because the mean of its divisors is an integer number (105702157147).

Almost surely, 2^211404314293 is an apocalyptic number.

It is an amenable number.

211404314293 is a deficient number, since it is larger than the sum of its proper divisors (1).

211404314293 is an equidigital number, since it uses as much as digits as its factorization.

211404314293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 211404314293 in words is "two hundred eleven billion, four hundred four million, three hundred fourteen thousand, two hundred ninety-three".