2189773795 has 8 divisors (see below), whose sum is σ = 2866613040. Its totient is φ = 1592562720.

The previous prime is 2189773783. The next prime is 2189773837. The reversal of 2189773795 is 5973779812.

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

It is not a de Polignac number, because 2189773795 - 2¹³ = 2189765603 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19906980 + ... + 19907089.

It is an arithmetic number, because the mean of its divisors is an integer number (358326630).

Almost surely, 2^2189773795 is an apocalyptic number.

2189773795 is a deficient number, since it is larger than the sum of its proper divisors (676839245).

2189773795 is a wasteful number, since it uses less digits than its factorization.

2189773795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39814085.

The product of its digits is 6667920, while the sum is 58.

The square root of 2189773795 is about 46795.0189122731. The cubic root of 2189773795 is about 1298.5731475076.

The spelling of 2189773795 in words is "two billion, one hundred eighty-nine million, seven hundred seventy-three thousand, seven hundred ninety-five".