349471169 has 2 divisors, whose sum is σ = 349471170. Its totient is φ = 349471168.

The previous prime is 349471139. The next prime is 349471181. The reversal of 349471169 is 961174943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296356225 + 53114944 = 17215^2 + 7288^2 .

It is a cyclic number.

It is not a de Polignac number, because 349471169 - 2¹² = 349467073 is a prime.

It is a super-2 number, since 2×349471169² = 244260195924453122, which contains 22 as substring.

It is a Chen prime.

It is equal to p_18776492 and since 349471169 and 18776492 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (349471139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174735584 + 174735585.

It is an arithmetic number, because the mean of its divisors is an integer number (174735585).

Almost surely, 2^349471169 is an apocalyptic number.

It is an amenable number.

349471169 is a deficient number, since it is larger than the sum of its proper divisors (1).

349471169 is an equidigital number, since it uses as much as digits as its factorization.

349471169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 44.

The square root of 349471169 is about 18694.1479880737. The cubic root of 349471169 is about 704.3747580993.

The spelling of 349471169 in words is "three hundred forty-nine million, four hundred seventy-one thousand, one hundred sixty-nine".