343340343530473 has 2 divisors, whose sum is σ = 343340343530474. Its totient is φ = 343340343530472.

The previous prime is 343340343530413. The next prime is 343340343530519. The reversal of 343340343530473 is 374035343043343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280845579368704 + 62494764161769 = 16758448^2 + 7905363^2 .

It is an emirp because it is prime and its reverse (374035343043343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343340343530473 - 2²⁹ = 343339806659561 is a prime.

It is not a weakly prime, because it can be changed into another prime (343340343530413) 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, 171670171765236 + 171670171765237.

It is an arithmetic number, because the mean of its divisors is an integer number (171670171765237).

Almost surely, 2^{343340343530473} is an apocalyptic number.

It is an amenable number.

343340343530473 is a deficient number, since it is larger than the sum of its proper divisors (1).

343340343530473 is an equidigital number, since it uses as much as digits as its factorization.

343340343530473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 49.

The spelling of 343340343530473 in words is "three hundred forty-three trillion, three hundred forty billion, three hundred forty-three million, five hundred thirty thousand, four hundred seventy-three".