343726686627343 has 4 divisors (see below), whose sum is σ = 343727190555048. Its totient is φ = 343726182699640.

The previous prime is 343726686627301. The next prime is 343726686627367.

343726686627343 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343726686627343 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 (343726686627143) 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, 250939321 + ... + 252305362.

It is an arithmetic number, because the mean of its divisors is an integer number (85931797638762).

Almost surely, 2^{343726686627343} is an apocalyptic number.

343726686627343 is a deficient number, since it is larger than the sum of its proper divisors (503927705).

343726686627343 is an equidigital number, since it uses as much as digits as its factorization.

343726686627343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503927704.

The product of its digits is 2633637888, while the sum is 70.

The spelling of 343726686627343 in words is "three hundred forty-three trillion, seven hundred twenty-six billion, six hundred eighty-six million, six hundred twenty-seven thousand, three hundred forty-three".