345644343446543 has 8 divisors (see below), whose sum is σ = 349536371695776. Its totient is φ = 341761527100000.

The previous prime is 345644343446527. The next prime is 345644343446573.

345644343446543 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345644343446543 - 2⁴ = 345644343446527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345644343446573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2302900208 + ... + 2303050293.

It is an arithmetic number, because the mean of its divisors is an integer number (43692046461972).

Almost surely, 2^{345644343446543} is an apocalyptic number.

345644343446543 is a deficient number, since it is larger than the sum of its proper divisors (3892028249233).

345644343446543 is a wasteful number, since it uses less digits than its factorization.

345644343446543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605951345.

The product of its digits is 1194393600, while the sum is 62.

The spelling of 345644343446543 in words is "three hundred forty-five trillion, six hundred forty-four billion, three hundred forty-three million, four hundred forty-six thousand, five hundred forty-three".