2143994022896 has 160 divisors (see below), whose sum is σ = 4653998553600. Its totient is φ = 948589424640.

The previous prime is 2143994022887. The next prime is 2143994022917. The reversal of 2143994022896 is 6982204993412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 624523196 + ... + 624526628.

It is an arithmetic number, because the mean of its divisors is an integer number (29087490960).

Almost surely, 2^{2143994022896} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143994022896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2326999276800).

2143994022896 is an abundant number, since it is smaller than the sum of its proper divisors (2510004530704).

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

2143994022896 is a wasteful number, since it uses less digits than its factorization.

2143994022896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087 (or 4081 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 2143994022896 in words is "two trillion, one hundred forty-three billion, nine hundred ninety-four million, twenty-two thousand, eight hundred ninety-six".