421370771112341 has 2 divisors, whose sum is σ = 421370771112342. Its totient is φ = 421370771112340.

The previous prime is 421370771112283. The next prime is 421370771112367. The reversal of 421370771112341 is 143211177073124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295551454392100 + 125819316720241 = 17191610^2 + 11216921^2 .

It is a cyclic number.

It is not a de Polignac number, because 421370771112341 - 2³⁴ = 421353591243157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 421370771112292 and 421370771112301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421370771112371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210685385556170 + 210685385556171.

It is an arithmetic number, because the mean of its divisors is an integer number (210685385556171).

Almost surely, 2^{421370771112341} is an apocalyptic number.

It is an amenable number.

421370771112341 is a deficient number, since it is larger than the sum of its proper divisors (1).

421370771112341 is an equidigital number, since it uses as much as digits as its factorization.

421370771112341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 421370771112341 in words is "four hundred twenty-one trillion, three hundred seventy billion, seven hundred seventy-one million, one hundred twelve thousand, three hundred forty-one".