343156188649 has 2 divisors, whose sum is σ = 343156188650. Its totient is φ = 343156188648.

The previous prime is 343156188643. The next prime is 343156188673. The reversal of 343156188649 is 946881651343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341632067049 + 1524121600 = 584493^2 + 39040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343156188649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343156188593 and 343156188602.

It is not a weakly prime, because it can be changed into another prime (343156188643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171578094324 + 171578094325.

It is an arithmetic number, because the mean of its divisors is an integer number (171578094325).

Almost surely, 2^343156188649 is an apocalyptic number.

It is an amenable number.

343156188649 is a deficient number, since it is larger than the sum of its proper divisors (1).

343156188649 is an equidigital number, since it uses as much as digits as its factorization.

343156188649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 58.

The spelling of 343156188649 in words is "three hundred forty-three billion, one hundred fifty-six million, one hundred eighty-eight thousand, six hundred forty-nine".