346554313352321 has 4 divisors (see below), whose sum is σ = 346569545862144. Its totient is φ = 346539080842500.

The previous prime is 346554313352251. The next prime is 346554313352327. The reversal of 346554313352321 is 123253313455643.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346554313352321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 346554313352321.

It is not an unprimeable number, because it can be changed into a prime (346554313352327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7616220785 + ... + 7616266286.

It is an arithmetic number, because the mean of its divisors is an integer number (86642386465536).

Almost surely, 2^{346554313352321} is an apocalyptic number.

It is an amenable number.

346554313352321 is a deficient number, since it is larger than the sum of its proper divisors (15232509823).

346554313352321 is a wasteful number, since it uses less digits than its factorization.

346554313352321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15232509822.

The product of its digits is 11664000, while the sum is 50.

The spelling of 346554313352321 in words is "three hundred forty-six trillion, five hundred fifty-four billion, three hundred thirteen million, three hundred fifty-two thousand, three hundred twenty-one".