2687644842612 has 48 divisors (see below), whose sum is σ = 6347165905920. Its totient is φ = 885026733408.

The previous prime is 2687644842611. The next prime is 2687644842629. The reversal of 2687644842612 is 2162484467862.

2687644842612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687644842611) 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, 15674439 + ... + 15844977.

It is an arithmetic number, because the mean of its divisors is an integer number (132232623040).

Almost surely, 2^{2687644842612} is an apocalyptic number.

It is an amenable number.

2687644842612 is an abundant number, since it is smaller than the sum of its proper divisors (3659521063308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2687644842612 is a wasteful number, since it uses less digits than its factorization.

2687644842612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186452 (or 186450 counting only the distinct ones).

The product of its digits is 49545216, while the sum is 60.

The spelling of 2687644842612 in words is "two trillion, six hundred eighty-seven billion, six hundred forty-four million, eight hundred forty-two thousand, six hundred twelve".