2163224223613 has 4 divisors (see below), whose sum is σ = 2163355767040. Its totient is φ = 2163092680188.

The previous prime is 2163224223607. The next prime is 2163224223647. The reversal of 2163224223613 is 3163224223612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2163224223613 - 2²⁵ = 2163190669181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163224223673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65747043 + ... + 65779936.

It is an arithmetic number, because the mean of its divisors is an integer number (540838941760).

Almost surely, 2^{2163224223613} is an apocalyptic number.

It is an amenable number.

2163224223613 is a deficient number, since it is larger than the sum of its proper divisors (131543427).

2163224223613 is a wasteful number, since it uses less digits than its factorization.

2163224223613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131543426.

The product of its digits is 124416, while the sum is 37.

Subtracting 2163224223613 from its reverse (3163224223612), we obtain a palindrome (999999999999).

The spelling of 2163224223613 in words is "two trillion, one hundred sixty-three billion, two hundred twenty-four million, two hundred twenty-three thousand, six hundred thirteen".