343966411121 has 2 divisors, whose sum is σ = 343966411122. Its totient is φ = 343966411120.

The previous prime is 343966411043. The next prime is 343966411181. The reversal of 343966411121 is 121114669343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208789594225 + 135176816896 = 456935^2 + 367664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343966411121 is a prime.

It is not a weakly prime, because it can be changed into another prime (343966411181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171983205560 + 171983205561.

It is an arithmetic number, because the mean of its divisors is an integer number (171983205561).

Almost surely, 2^343966411121 is an apocalyptic number.

It is an amenable number.

343966411121 is a deficient number, since it is larger than the sum of its proper divisors (1).

343966411121 is an equidigital number, since it uses as much as digits as its factorization.

343966411121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The spelling of 343966411121 in words is "three hundred forty-three billion, nine hundred sixty-six million, four hundred eleven thousand, one hundred twenty-one".