343219494472109 has 2 divisors, whose sum is σ = 343219494472110. Its totient is φ = 343219494472108.

The previous prime is 343219494472097. The next prime is 343219494472139. The reversal of 343219494472109 is 901274494912343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332624534572009 + 10594959900100 = 18237997^2 + 3254990^2 .

It is an emirp because it is prime and its reverse (901274494912343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343219494472109 - 2³² = 343215199504813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343219494472139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171609747236054 + 171609747236055.

It is an arithmetic number, because the mean of its divisors is an integer number (171609747236055).

Almost surely, 2^{343219494472109} is an apocalyptic number.

It is an amenable number.

343219494472109 is a deficient number, since it is larger than the sum of its proper divisors (1).

343219494472109 is an equidigital number, since it uses as much as digits as its factorization.

343219494472109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47029248, while the sum is 62.

The spelling of 343219494472109 in words is "three hundred forty-three trillion, two hundred nineteen billion, four hundred ninety-four million, four hundred seventy-two thousand, one hundred nine".