2143410466561 has 48 divisors (see below), whose sum is σ = 2698554424320. Its totient is φ = 1666517448960.

The previous prime is 2143410466529. The next prime is 2143410466567. The reversal of 2143410466561 is 1656640143412.

It is not a de Polignac number, because 2143410466561 - 2⁵ = 2143410466529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143410466567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80015376 + ... + 80042158.

It is an arithmetic number, because the mean of its divisors is an integer number (56219883840).

Almost surely, 2^{2143410466561} is an apocalyptic number.

It is an amenable number.

2143410466561 is a deficient number, since it is larger than the sum of its proper divisors (555143957759).

2143410466561 is a wasteful number, since it uses less digits than its factorization.

2143410466561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27986 (or 27973 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 2143410466561 in words is "two trillion, one hundred forty-three billion, four hundred ten million, four hundred sixty-six thousand, five hundred sixty-one".