2189895563 has 8 divisors (see below), whose sum is σ = 2220964800. Its totient is φ = 2158910208.

The previous prime is 2189895557. The next prime is 2189895593. The reversal of 2189895563 is 3655989812.

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

It is a cyclic number.

It is not a de Polignac number, because 2189895563 - 2¹⁴ = 2189879179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2189895499 and 2189895508.

It is not an unprimeable number, because it can be changed into a prime (2189895523) 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, 32573 + ... + 73761.

It is an arithmetic number, because the mean of its divisors is an integer number (277620600).

Almost surely, 2^2189895563 is an apocalyptic number.

2189895563 is a deficient number, since it is larger than the sum of its proper divisors (31069237).

2189895563 is an equidigital number, since it uses as much as digits as its factorization.

2189895563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41941.

The product of its digits is 4665600, while the sum is 56.

The square root of 2189895563 is about 46796.3199728355. The cubic root of 2189895563 is about 1298.5972172273.

The spelling of 2189895563 in words is "two billion, one hundred eighty-nine million, eight hundred ninety-five thousand, five hundred sixty-three".