346643221424 has 20 divisors (see below), whose sum is σ = 671761632480. Its totient is φ = 173285380800.

The previous prime is 346643221411. The next prime is 346643221487. The reversal of 346643221424 is 424122346643.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185352 + ... + 2338599.

It is an arithmetic number, because the mean of its divisors is an integer number (33588081624).

Almost surely, 2^346643221424 is an apocalyptic number.

It is an amenable number.

346643221424 is a deficient number, since it is larger than the sum of its proper divisors (325118411056).

346643221424 is a wasteful number, since it uses less digits than its factorization.

346643221424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528748 (or 4528742 counting only the distinct ones).

The product of its digits is 663552, while the sum is 41.

The spelling of 346643221424 in words is "three hundred forty-six billion, six hundred forty-three million, two hundred twenty-one thousand, four hundred twenty-four".