2148666746589 has 12 divisors (see below), whose sum is σ = 3385777903872. Its totient is φ = 1302222270600.

The previous prime is 2148666746587. The next prime is 2148666746593. The reversal of 2148666746589 is 9856476668412.

It is a happy number.

It is not a de Polignac number, because 2148666746589 - 2¹ = 2148666746587 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148666746587) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10851852157 + ... + 10851852354.

It is an arithmetic number, because the mean of its divisors is an integer number (282148158656).

Almost surely, 2^{2148666746589} is an apocalyptic number.

It is an amenable number.

2148666746589 is a deficient number, since it is larger than the sum of its proper divisors (1237111157283).

2148666746589 is a wasteful number, since it uses less digits than its factorization.

2148666746589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21703704528 (or 21703704525 counting only the distinct ones).

The product of its digits is 836075520, while the sum is 72.

The spelling of 2148666746589 in words is "two trillion, one hundred forty-eight billion, six hundred sixty-six million, seven hundred forty-six thousand, five hundred eighty-nine".