343335163909 has 2 divisors, whose sum is σ = 343335163910. Its totient is φ = 343335163908.

The previous prime is 343335163807. The next prime is 343335163957. The reversal of 343335163909 is 909361533343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291063487009 + 52271676900 = 539503^2 + 228630^2 .

It is a cyclic number.

It is not a de Polignac number, because 343335163909 - 2⁹ = 343335163397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343335163709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171667581954 + 171667581955.

It is an arithmetic number, because the mean of its divisors is an integer number (171667581955).

Almost surely, 2^343335163909 is an apocalyptic number.

It is an amenable number.

343335163909 is a deficient number, since it is larger than the sum of its proper divisors (1).

343335163909 is an equidigital number, since it uses as much as digits as its factorization.

343335163909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2361960, while the sum is 49.

The spelling of 343335163909 in words is "three hundred forty-three billion, three hundred thirty-five million, one hundred sixty-three thousand, nine hundred nine".