342743389173 has 16 divisors (see below), whose sum is σ = 507784229440. Its totient is φ = 228488282352.

The previous prime is 342743389169. The next prime is 342743389217. The reversal of 342743389173 is 371983347243.

342743389173 is a `hidden beast` number, since 3 + 427 + 43 + 3 + 8 + 9 + 173 = 666.

It is not a de Polignac number, because 342743389173 - 2² = 342743389169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342743389103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735315 + ... + 1107327.

It is an arithmetic number, because the mean of its divisors is an integer number (31736514340).

Almost surely, 2^342743389173 is an apocalyptic number.

It is an amenable number.

342743389173 is a deficient number, since it is larger than the sum of its proper divisors (165040840267).

342743389173 is a wasteful number, since it uses less digits than its factorization.

342743389173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406145 (or 406139 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 54.

The spelling of 342743389173 in words is "three hundred forty-two billion, seven hundred forty-three million, three hundred eighty-nine thousand, one hundred seventy-three".