343405042646 has 8 divisors (see below), whose sum is σ = 521627913120. Its totient is φ = 169529071608.

The previous prime is 343405042639. The next prime is 343405042657. The reversal of 343405042646 is 646240504343.

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

It is a congruent 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, 1086724661 + ... + 1086724976.

It is an arithmetic number, because the mean of its divisors is an integer number (65203489140).

Almost surely, 2^343405042646 is an apocalyptic number.

343405042646 is a deficient number, since it is larger than the sum of its proper divisors (178222870474).

343405042646 is a wasteful number, since it uses less digits than its factorization.

343405042646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173449718.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 343405042646 its reverse (646240504343), we get a palindrome (989645546989).

The spelling of 343405042646 in words is "three hundred forty-three billion, four hundred five million, forty-two thousand, six hundred forty-six".