342506666605243 has 64 divisors (see below), whose sum is σ = 425582561479680. Its totient is φ = 268939581345792.

The previous prime is 342506666605219. The next prime is 342506666605261.

342506666605243 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 342506666605243 - 2⁵ = 342506666605211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342506666605273) 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 63 ways as a sum of consecutive naturals, for example, 5000866143 + ... + 5000934631.

It is an arithmetic number, because the mean of its divisors is an integer number (6649727523120).

Almost surely, 2^{342506666605243} is an apocalyptic number.

342506666605243 is a deficient number, since it is larger than the sum of its proper divisors (83075894874437).

342506666605243 is a wasteful number, since it uses less digits than its factorization.

342506666605243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71956.

The product of its (nonzero) digits is 111974400, while the sum is 58.

The spelling of 342506666605243 in words is "three hundred forty-two trillion, five hundred six billion, six hundred sixty-six million, six hundred five thousand, two hundred forty-three".