2140442673 has 8 divisors (see below), whose sum is σ = 2870420928. Its totient is φ = 1418713104.

The previous prime is 2140442671. The next prime is 2140442677. The reversal of 2140442673 is 3762440412.

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

It is not a de Polignac number, because 2140442673 - 2¹ = 2140442671 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2140442671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2061565 + ... + 2062602.

It is an arithmetic number, because the mean of its divisors is an integer number (358802616).

Almost surely, 2^2140442673 is an apocalyptic number.

It is an amenable number.

2140442673 is a deficient number, since it is larger than the sum of its proper divisors (729978255).

2140442673 is a wasteful number, since it uses less digits than its factorization.

2140442673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124343.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 2140442673 is about 46264.9183831551. The cubic root of 2140442673 is about 1288.7475922465.

The spelling of 2140442673 in words is "two billion, one hundred forty million, four hundred forty-two thousand, six hundred seventy-three".