343403434249 has 2 divisors, whose sum is σ = 343403434250. Its totient is φ = 343403434248.

The previous prime is 343403434201. The next prime is 343403434261. The reversal of 343403434249 is 942434304343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255287667600 + 88115766649 = 505260^2 + 296843^2 .

It is a cyclic number.

It is not a de Polignac number, because 343403434249 - 2¹³ = 343403426057 is a prime.

It is not a weakly prime, because it can be changed into another prime (343403494249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171701717124 + 171701717125.

It is an arithmetic number, because the mean of its divisors is an integer number (171701717125).

Almost surely, 2^343403434249 is an apocalyptic number.

It is an amenable number.

343403434249 is a deficient number, since it is larger than the sum of its proper divisors (1).

343403434249 is an equidigital number, since it uses as much as digits as its factorization.

343403434249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 43.

The spelling of 343403434249 in words is "three hundred forty-three billion, four hundred three million, four hundred thirty-four thousand, two hundred forty-nine".