343244664517 has 2 divisors, whose sum is σ = 343244664518. Its totient is φ = 343244664516.

The previous prime is 343244664487. The next prime is 343244664547. The reversal of 343244664517 is 715466442343.

It is a balanced prime because it is at equal distance from previous prime (343244664487) and next prime (343244664547).

It can be written as a sum of positive squares in only one way, i.e., 331838210916 + 11406453601 = 576054^2 + 106801^2 .

It is a cyclic number.

It is not a de Polignac number, because 343244664517 - 2¹⁵ = 343244631749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343244664547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171622332258 + 171622332259.

It is an arithmetic number, because the mean of its divisors is an integer number (171622332259).

Almost surely, 2^343244664517 is an apocalyptic number.

It is an amenable number.

343244664517 is a deficient number, since it is larger than the sum of its proper divisors (1).

343244664517 is an equidigital number, since it uses as much as digits as its factorization.

343244664517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 49.

The spelling of 343244664517 in words is "three hundred forty-three billion, two hundred forty-four million, six hundred sixty-four thousand, five hundred seventeen".