2686943278996 has 12 divisors (see below), whose sum is σ = 4702167660148. Its totient is φ = 1343466804672.

The previous prime is 2686943278967. The next prime is 2686943278997. The reversal of 2686943278996 is 6998723496862.

2686943278996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1515764794896 + 1171178484100 = 1231164^2 + 1082210^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686943278997) 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, 232720 + ... + 2329816.

Almost surely, 2^{2686943278996} is an apocalyptic number.

It is an amenable number.

2686943278996 is a deficient number, since it is larger than the sum of its proper divisors (2015224381152).

2686943278996 is a wasteful number, since it uses less digits than its factorization.

2686943278996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417418 (or 2417416 counting only the distinct ones).

The product of its digits is 3386105856, while the sum is 79.

The spelling of 2686943278996 in words is "two trillion, six hundred eighty-six billion, nine hundred forty-three million, two hundred seventy-eight thousand, nine hundred ninety-six".