343561134646 has 4 divisors (see below), whose sum is σ = 515341701972. Its totient is φ = 171780567322.

The previous prime is 343561134617. The next prime is 343561134667. The reversal of 343561134646 is 646431165343.

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

It is a junction number, because it is equal to n+sod(n) for n = 343561134596 and 343561134605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85890283660 + ... + 85890283663.

It is an arithmetic number, because the mean of its divisors is an integer number (128835425493).

Almost surely, 2^343561134646 is an apocalyptic number.

343561134646 is a deficient number, since it is larger than the sum of its proper divisors (171780567326).

343561134646 is a wasteful number, since it uses less digits than its factorization.

343561134646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171780567325.

The product of its digits is 1866240, while the sum is 46.

Adding to 343561134646 its reverse (646431165343), we get a palindrome (989992299989).

The spelling of 343561134646 in words is "three hundred forty-three billion, five hundred sixty-one million, one hundred thirty-four thousand, six hundred forty-six".