621346346434346 has 16 divisors (see below), whose sum is σ = 1025068931599104. Its totient is φ = 280673636031984.

The previous prime is 621346346434301. The next prime is 621346346434357. The reversal of 621346346434346 is 643434643643126.

621346346434346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254233364750 + ... + 254233367193.

It is an arithmetic number, because the mean of its divisors is an integer number (64066808224944).

Almost surely, 2^{621346346434346} is an apocalyptic number.

621346346434346 is a deficient number, since it is larger than the sum of its proper divisors (403722585164758).

621346346434346 is a wasteful number, since it uses less digits than its factorization.

621346346434346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508466732005.

The product of its digits is 214990848, while the sum is 59.

The spelling of 621346346434346 in words is "six hundred twenty-one trillion, three hundred forty-six billion, three hundred forty-six million, four hundred thirty-four thousand, three hundred forty-six".