345971282179543 has 4 divisors (see below), whose sum is σ = 346187379171888. Its totient is φ = 345755185187200.

The previous prime is 345971282179513. The next prime is 345971282179573.

345971282179543 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (345971282179513) and next prime (345971282179573).

It is a cyclic number.

It is not a de Polignac number, because 345971282179543 - 2²¹ = 345971280082391 is a prime.

It is a super-2 number, since 2×345971282179543² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345971282179513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108048493771 + ... + 108048496972.

It is an arithmetic number, because the mean of its divisors is an integer number (86546844792972).

Almost surely, 2^{345971282179543} is an apocalyptic number.

345971282179543 is a deficient number, since it is larger than the sum of its proper divisors (216096992345).

345971282179543 is a wasteful number, since it uses less digits than its factorization.

345971282179543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216096992344.

The product of its digits is 457228800, while the sum is 70.

The spelling of 345971282179543 in words is "three hundred forty-five trillion, nine hundred seventy-one billion, two hundred eighty-two million, one hundred seventy-nine thousand, five hundred forty-three".