2163442660343 has 16 divisors (see below), whose sum is σ = 2196930677760. Its totient is φ = 2130139154976.

The previous prime is 2163442660333. The next prime is 2163442660367. The reversal of 2163442660343 is 3430662443612.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2163442660343 - 2⁸ = 2163442660087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2163442660294 and 2163442660303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163442660333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47465921 + ... + 47511477.

It is an arithmetic number, because the mean of its divisors is an integer number (137308167360).

Almost surely, 2^{2163442660343} is an apocalyptic number.

2163442660343 is a deficient number, since it is larger than the sum of its proper divisors (33488017417).

2163442660343 is a wasteful number, since it uses less digits than its factorization.

2163442660343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47566.

The product of its (nonzero) digits is 1492992, while the sum is 44.

The spelling of 2163442660343 in words is "two trillion, one hundred sixty-three billion, four hundred forty-two million, six hundred sixty thousand, three hundred forty-three".