211440441293 has 2 divisors, whose sum is σ = 211440441294. Its totient is φ = 211440441292.

The previous prime is 211440441269. The next prime is 211440441347. The reversal of 211440441293 is 392144044112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181546722889 + 29893718404 = 426083^2 + 172898^2 .

It is a cyclic number.

It is not a de Polignac number, because 211440441293 - 2⁶ = 211440441229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211440446293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105720220646 + 105720220647.

It is an arithmetic number, because the mean of its divisors is an integer number (105720220647).

Almost surely, 2^211440441293 is an apocalyptic number.

It is an amenable number.

211440441293 is a deficient number, since it is larger than the sum of its proper divisors (1).

211440441293 is an equidigital number, since it uses as much as digits as its factorization.

211440441293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 211440441293 in words is "two hundred eleven billion, four hundred forty million, four hundred forty-one thousand, two hundred ninety-three".