343546344161 has 2 divisors, whose sum is σ = 343546344162. Its totient is φ = 343546344160.

The previous prime is 343546344121. The next prime is 343546344319. The reversal of 343546344161 is 161443645343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257957331025 + 85589013136 = 507895^2 + 292556^2 .

It is a cyclic number.

It is not a de Polignac number, because 343546344161 - 2³⁰ = 342472602337 is a prime.

It is not a weakly prime, because it can be changed into another prime (343546344121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171773172080 + 171773172081.

It is an arithmetic number, because the mean of its divisors is an integer number (171773172081).

Almost surely, 2^343546344161 is an apocalyptic number.

It is an amenable number.

343546344161 is a deficient number, since it is larger than the sum of its proper divisors (1).

343546344161 is an equidigital number, since it uses as much as digits as its factorization.

343546344161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 44.

The spelling of 343546344161 in words is "three hundred forty-three billion, five hundred forty-six million, three hundred forty-four thousand, one hundred sixty-one".