2127681834388 has 48 divisors (see below), whose sum is σ = 4323393543168. Its totient is φ = 905472512000.

The previous prime is 2127681834359. The next prime is 2127681834401. The reversal of 2127681834388 is 8834381867212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7303453 + ... + 7589188.

It is an arithmetic number, because the mean of its divisors is an integer number (90070698816).

Almost surely, 2^{2127681834388} is an apocalyptic number.

It is an amenable number.

2127681834388 is an abundant number, since it is smaller than the sum of its proper divisors (2195711708780).

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

2127681834388 is a wasteful number, since it uses less digits than its factorization.

2127681834388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14892864 (or 14892862 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 61.

The spelling of 2127681834388 in words is "two trillion, one hundred twenty-seven billion, six hundred eighty-one million, eight hundred thirty-four thousand, three hundred eighty-eight".