346504405643 has 16 divisors (see below), whose sum is σ = 399432729600. Its totient is φ = 297494134080.

The previous prime is 346504405633. The next prime is 346504405651.

346504405643 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 346504405643 - 2⁴ = 346504405627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346504405594 and 346504405603.

It is not an unprimeable number, because it can be changed into a prime (346504405633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8648258 + ... + 8688231.

It is an arithmetic number, because the mean of its divisors is an integer number (24964545600).

Almost surely, 2^346504405643 is an apocalyptic number.

346504405643 is a deficient number, since it is larger than the sum of its proper divisors (52928323957).

346504405643 is a wasteful number, since it uses less digits than its factorization.

346504405643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17336602.

The product of its (nonzero) digits is 2073600, while the sum is 44.

The spelling of 346504405643 in words is "three hundred forty-six billion, five hundred four million, four hundred five thousand, six hundred forty-three".