343373400949 has 2 divisors, whose sum is σ = 343373400950. Its totient is φ = 343373400948.

The previous prime is 343373400907. The next prime is 343373401079. The reversal of 343373400949 is 949004373343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226414188900 + 116959212049 = 475830^2 + 341993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343373400949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343373400449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171686700474 + 171686700475.

It is an arithmetic number, because the mean of its divisors is an integer number (171686700475).

Almost surely, 2^343373400949 is an apocalyptic number.

It is an amenable number.

343373400949 is a deficient number, since it is larger than the sum of its proper divisors (1).

343373400949 is an equidigital number, since it uses as much as digits as its factorization.

343373400949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 49.

The spelling of 343373400949 in words is "three hundred forty-three billion, three hundred seventy-three million, four hundred thousand, nine hundred forty-nine".