2144063643635 has 32 divisors (see below), whose sum is σ = 2616238310400. Its totient is φ = 1686443565312.

The previous prime is 2144063643629. The next prime is 2144063643679. The reversal of 2144063643635 is 5363463604412.

It is a cyclic number.

It is not a de Polignac number, because 2144063643635 - 2²² = 2144059449331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2144063643635.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 774868022 + ... + 774870788.

It is an arithmetic number, because the mean of its divisors is an integer number (81757447200).

Almost surely, 2^{2144063643635} is an apocalyptic number.

2144063643635 is a deficient number, since it is larger than the sum of its proper divisors (472174666765).

2144063643635 is a wasteful number, since it uses less digits than its factorization.

2144063643635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395.

The product of its (nonzero) digits is 3732480, while the sum is 47.

The spelling of 2144063643635 in words is "two trillion, one hundred forty-four billion, sixty-three million, six hundred forty-three thousand, six hundred thirty-five".