349173054185 has 4 divisors (see below), whose sum is σ = 419007665028. Its totient is φ = 279338443344.

The previous prime is 349173054133. The next prime is 349173054203. The reversal of 349173054185 is 581450371943.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 235066916569 + 114106137616 = 484837^2 + 337796^2 .

It is a cyclic number.

It is not a de Polignac number, because 349173054185 - 2¹⁸ = 349172792041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34917305414 + ... + 34917305423.

It is an arithmetic number, because the mean of its divisors is an integer number (104751916257).

Almost surely, 2^349173054185 is an apocalyptic number.

It is an amenable number.

349173054185 is a deficient number, since it is larger than the sum of its proper divisors (69834610843).

349173054185 is an equidigital number, since it uses as much as digits as its factorization.

349173054185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69834610842.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 349173054185 in words is "three hundred forty-nine billion, one hundred seventy-three million, fifty-four thousand, one hundred eighty-five".