349343839673 has 2 divisors, whose sum is σ = 349343839674. Its totient is φ = 349343839672.

The previous prime is 349343839667. The next prime is 349343839697. The reversal of 349343839673 is 376938343943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247140225424 + 102203614249 = 497132^2 + 319693^2 .

It is a cyclic number.

It is not a de Polignac number, because 349343839673 - 2⁸ = 349343839417 is a prime.

It is a super-2 number, since 2×349343839673² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (349343839633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174671919836 + 174671919837.

It is an arithmetic number, because the mean of its divisors is an integer number (174671919837).

Almost surely, 2^349343839673 is an apocalyptic number.

It is an amenable number.

349343839673 is a deficient number, since it is larger than the sum of its proper divisors (1).

349343839673 is an equidigital number, since it uses as much as digits as its factorization.

349343839673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105815808, while the sum is 62.

The spelling of 349343839673 in words is "three hundred forty-nine billion, three hundred forty-three million, eight hundred thirty-nine thousand, six hundred seventy-three".