2123819333244 has 72 divisors (see below), whose sum is σ = 6138579807360. Its totient is φ = 606498759072.

The previous prime is 2123819333227. The next prime is 2123819333249. The reversal of 2123819333244 is 4423339183212.

2123819333244 is a `hidden beast` number, since 2 + 1 + 238 + 1 + 93 + 3 + 324 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2123819333244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123819333249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1630614 + ... + 2628029.

It is an arithmetic number, because the mean of its divisors is an integer number (85258052880).

Almost surely, 2^{2123819333244} is an apocalyptic number.

It is an amenable number.

2123819333244 is an abundant number, since it is smaller than the sum of its proper divisors (4014760474116).

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

2123819333244 is a wasteful number, since it uses less digits than its factorization.

2123819333244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260639 (or 4260634 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 2123819333244 in words is "two trillion, one hundred twenty-three billion, eight hundred nineteen million, three hundred thirty-three thousand, two hundred forty-four".