2678866449343 has 16 divisors (see below), whose sum is σ = 3185206165504. Its totient is φ = 2204604319680.

The previous prime is 2678866449317. The next prime is 2678866449367. The reversal of 2678866449343 is 3439446688762.

It is not a de Polignac number, because 2678866449343 - 2¹³ = 2678866441151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678866449313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48574830 + ... + 48629947.

It is an arithmetic number, because the mean of its divisors is an integer number (199075385344).

Almost surely, 2^{2678866449343} is an apocalyptic number.

2678866449343 is a deficient number, since it is larger than the sum of its proper divisors (506339716161).

2678866449343 is a wasteful number, since it uses less digits than its factorization.

2678866449343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97204942.

The product of its digits is 1003290624, while the sum is 70.

The spelling of 2678866449343 in words is "two trillion, six hundred seventy-eight billion, eight hundred sixty-six million, four hundred forty-nine thousand, three hundred forty-three".