347428975169 has 2 divisors, whose sum is σ = 347428975170. Its totient is φ = 347428975168.

The previous prime is 347428975151. The next prime is 347428975217. The reversal of 347428975169 is 961579824743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307899582769 + 39529392400 = 554887^2 + 198820^2 .

It is a cyclic number.

It is not a de Polignac number, because 347428975169 - 2¹² = 347428971073 is a prime.

It is a super-2 number, since 2×347428975169² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (347428975139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173714487584 + 173714487585.

It is an arithmetic number, because the mean of its divisors is an integer number (173714487585).

Almost surely, 2^347428975169 is an apocalyptic number.

It is an amenable number.

347428975169 is a deficient number, since it is larger than the sum of its proper divisors (1).

347428975169 is an equidigital number, since it uses as much as digits as its factorization.

347428975169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 65.

The spelling of 347428975169 in words is "three hundred forty-seven billion, four hundred twenty-eight million, nine hundred seventy-five thousand, one hundred sixty-nine".