210826373873 has 2 divisors, whose sum is σ = 210826373874. Its totient is φ = 210826373872.

The previous prime is 210826373773. The next prime is 210826373881. The reversal of 210826373873 is 378373628012.

210826373873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151579406224 + 59246967649 = 389332^2 + 243407^2 .

It is a cyclic number.

It is not a de Polignac number, because 210826373873 - 2⁸ = 210826373617 is a prime.

It is not a weakly prime, because it can be changed into another prime (210826373773) 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, 105413186936 + 105413186937.

It is an arithmetic number, because the mean of its divisors is an integer number (105413186937).

Almost surely, 2^210826373873 is an apocalyptic number.

It is an amenable number.

210826373873 is a deficient number, since it is larger than the sum of its proper divisors (1).

210826373873 is an equidigital number, since it uses as much as digits as its factorization.

210826373873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 210826373873 in words is "two hundred ten billion, eight hundred twenty-six million, three hundred seventy-three thousand, eight hundred seventy-three".