343243161641 has 2 divisors, whose sum is σ = 343243161642. Its totient is φ = 343243161640.

The previous prime is 343243161637. The next prime is 343243161647. The reversal of 343243161641 is 146161342343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 335107843225 + 8135318416 = 578885^2 + 90196^2 .

It is an emirp because it is prime and its reverse (146161342343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343243161641 - 2² = 343243161637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343243161595 and 343243161604.

It is not a weakly prime, because it can be changed into another prime (343243161647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171621580820 + 171621580821.

It is an arithmetic number, because the mean of its divisors is an integer number (171621580821).

Almost surely, 2^343243161641 is an apocalyptic number.

It is an amenable number.

343243161641 is a deficient number, since it is larger than the sum of its proper divisors (1).

343243161641 is an equidigital number, since it uses as much as digits as its factorization.

343243161641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 38.

The spelling of 343243161641 in words is "three hundred forty-three billion, two hundred forty-three million, one hundred sixty-one thousand, six hundred forty-one".