343686644297 has 2 divisors, whose sum is σ = 343686644298. Its totient is φ = 343686644296.

The previous prime is 343686644209. The next prime is 343686644303. The reversal of 343686644297 is 792446686343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341230054201 + 2456590096 = 584149^2 + 49564^2 .

It is a cyclic number.

It is not a de Polignac number, because 343686644297 - 2²² = 343682449993 is a prime.

It is not a weakly prime, because it can be changed into another prime (343686644797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171843322148 + 171843322149.

It is an arithmetic number, because the mean of its divisors is an integer number (171843322149).

Almost surely, 2^343686644297 is an apocalyptic number.

It is an amenable number.

343686644297 is a deficient number, since it is larger than the sum of its proper divisors (1).

343686644297 is an equidigital number, since it uses as much as digits as its factorization.

343686644297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125411328, while the sum is 62.

The spelling of 343686644297 in words is "three hundred forty-three billion, six hundred eighty-six million, six hundred forty-four thousand, two hundred ninety-seven".