2144063643621 has 8 divisors (see below), whose sum is σ = 2861108291040. Its totient is φ = 1428197379312.

The previous prime is 2144063643599. The next prime is 2144063643629. The reversal of 2144063643621 is 1263463604412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2144063643621 - 2⁷ = 2144063643493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144063643629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294591531 + ... + 294598808.

It is an arithmetic number, because the mean of its divisors is an integer number (357638536380).

Almost surely, 2^{2144063643621} is an apocalyptic number.

It is an amenable number.

2144063643621 is a deficient number, since it is larger than the sum of its proper divisors (717044647419).

2144063643621 is a wasteful number, since it uses less digits than its factorization.

2144063643621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589191555.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 2144063643621 in words is "two trillion, one hundred forty-four billion, sixty-three million, six hundred forty-three thousand, six hundred twenty-one".