2112343583644 has 24 divisors (see below), whose sum is σ = 4225427232768. Its totient is φ = 905131521840.

The previous prime is 2112343583621. The next prime is 2112343583659. The reversal of 2112343583644 is 4463853432112.

It is a junction number, because it is equal to n+sod(n) for n = 2112343583594 and 2112343583603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6444964 + ... + 6764779.

It is an arithmetic number, because the mean of its divisors is an integer number (176059468032).

Almost surely, 2^{2112343583644} is an apocalyptic number.

It is an amenable number.

2112343583644 is an abundant number, since it is smaller than the sum of its proper divisors (2113083649124).

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

2112343583644 is a wasteful number, since it uses less digits than its factorization.

2112343583644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13215465 (or 13215463 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 46.

The spelling of 2112343583644 in words is "two trillion, one hundred twelve billion, three hundred forty-three million, five hundred eighty-three thousand, six hundred forty-four".