343474446353 has 2 divisors, whose sum is σ = 343474446354. Its totient is φ = 343474446352.

The previous prime is 343474446311. The next prime is 343474446373. The reversal of 343474446353 is 353644474343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214380112144 + 129094334209 = 463012^2 + 359297^2 .

It is a cyclic number.

It is not a de Polignac number, because 343474446353 - 2²² = 343470252049 is a prime.

It is not a weakly prime, because it can be changed into another prime (343474446373) 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, 171737223176 + 171737223177.

It is an arithmetic number, because the mean of its divisors is an integer number (171737223177).

Almost surely, 2^343474446353 is an apocalyptic number.

It is an amenable number.

343474446353 is a deficient number, since it is larger than the sum of its proper divisors (1).

343474446353 is an equidigital number, since it uses as much as digits as its factorization.

343474446353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 50.

The spelling of 343474446353 in words is "three hundred forty-three billion, four hundred seventy-four million, four hundred forty-six thousand, three hundred fifty-three".