2163722693 has 4 divisors (see below), whose sum is σ = 2360424768. Its totient is φ = 1967020620.

The previous prime is 2163722663. The next prime is 2163722707. The reversal of 2163722693 is 3962273612.

2163722693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2163722693 - 2⁸ = 2163722437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2163722693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163722623) 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, 98351021 + ... + 98351042.

It is an arithmetic number, because the mean of its divisors is an integer number (590106192).

Almost surely, 2^2163722693 is an apocalyptic number.

It is an amenable number.

2163722693 is a deficient number, since it is larger than the sum of its proper divisors (196702075).

2163722693 is a wasteful number, since it uses less digits than its factorization.

2163722693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196702074.

The product of its digits is 163296, while the sum is 41.

The square root of 2163722693 is about 46515.8327131741. The cubic root of 2163722693 is about 1293.4030080717.

The spelling of 2163722693 in words is "two billion, one hundred sixty-three million, seven hundred twenty-two thousand, six hundred ninety-three".