2144234421466 has 8 divisors (see below), whose sum is σ = 3356193007584. Its totient is φ = 1025503418940.

The previous prime is 2144234421419. The next prime is 2144234421481. The reversal of 2144234421466 is 6641244324412.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23306895840 + ... + 23306895931.

It is an arithmetic number, because the mean of its divisors is an integer number (419524125948).

Almost surely, 2^{2144234421466} is an apocalyptic number.

2144234421466 is a deficient number, since it is larger than the sum of its proper divisors (1211958586118).

2144234421466 is a wasteful number, since it uses less digits than its factorization.

2144234421466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46613791796.

The product of its digits is 884736, while the sum is 43.

Adding to 2144234421466 its reverse (6641244324412), we get a palindrome (8785478745878).

The spelling of 2144234421466 in words is "two trillion, one hundred forty-four billion, two hundred thirty-four million, four hundred twenty-one thousand, four hundred sixty-six".