2143968753 has 48 divisors (see below), whose sum is σ = 3188280960. Its totient is φ = 1279488000.

The previous prime is 2143968731. The next prime is 2143968803. The reversal of 2143968753 is 3578693412.

It is not a de Polignac number, because 2143968753 - 2¹⁰ = 2143967729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143968653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1784553 + ... + 1785753.

It is an arithmetic number, because the mean of its divisors is an integer number (66422520).

Almost surely, 2^2143968753 is an apocalyptic number.

It is an amenable number.

2143968753 is a deficient number, since it is larger than the sum of its proper divisors (1044312207).

2143968753 is a wasteful number, since it uses less digits than its factorization.

2143968753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1321 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 2143968753 is about 46303.0101937228. The cubic root of 2143968753 is about 1289.4548811517.

The spelling of 2143968753 in words is "two billion, one hundred forty-three million, nine hundred sixty-eight thousand, seven hundred fifty-three".