349643085121 has 8 divisors (see below), whose sum is σ = 381448960704. Its totient is φ = 317840566320.

The previous prime is 349643085061. The next prime is 349643085131. The reversal of 349643085121 is 121580346943.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349643085121 - 2⁷ = 349643084993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349643085131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618885 + ... + 1040338.

It is an arithmetic number, because the mean of its divisors is an integer number (47681120088).

Almost surely, 2^349643085121 is an apocalyptic number.

It is an amenable number.

349643085121 is a deficient number, since it is larger than the sum of its proper divisors (31805875583).

349643085121 is a wasteful number, since it uses less digits than its factorization.

349643085121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678391.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 349643085121 in words is "three hundred forty-nine billion, six hundred forty-three million, eighty-five thousand, one hundred twenty-one".