343499713 has 2 divisors, whose sum is σ = 343499714. Its totient is φ = 343499712.

The previous prime is 343499707. The next prime is 343499729. The reversal of 343499713 is 317994343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339591184 + 3908529 = 18428^2 + 1977^2 .

It is a cyclic number.

It is not a de Polignac number, because 343499713 - 2²¹ = 341402561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 343499713.

It is not a weakly prime, because it can be changed into another prime (343499743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171749856 + 171749857.

It is an arithmetic number, because the mean of its divisors is an integer number (171749857).

Almost surely, 2^343499713 is an apocalyptic number.

It is an amenable number.

343499713 is a deficient number, since it is larger than the sum of its proper divisors (1).

343499713 is an equidigital number, since it uses as much as digits as its factorization.

343499713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 43.

The square root of 343499713 is about 18533.7452502186. The cubic root of 343499713 is about 700.3397758644.

The spelling of 343499713 in words is "three hundred forty-three million, four hundred ninety-nine thousand, seven hundred thirteen".