344666666666443 has 6 divisors (see below), whose sum is σ = 378848484848372. Its totient is φ = 313333333333020.

The previous prime is 344666666666417. The next prime is 344666666666471.

344666666666443 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 344666666666443 - 2²¹ = 344666664569291 is a prime.

It is a super-2 number, since 2×344666666666443² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344666666666443.

It is not an unprimeable number, because it can be changed into a prime (344666666660443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1424242424121 + ... + 1424242424362.

Almost surely, 2^{344666666666443} is an apocalyptic number.

344666666666443 is a deficient number, since it is larger than the sum of its proper divisors (34181818181929).

344666666666443 is a wasteful number, since it uses less digits than its factorization.

344666666666443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848484848505 (or 2848484848494 counting only the distinct ones).

The product of its digits is 23219011584, while the sum is 76.

The spelling of 344666666666443 in words is "three hundred forty-four trillion, six hundred sixty-six billion, six hundred sixty-six million, six hundred sixty-six thousand, four hundred forty-three".