2189548327 has 2 divisors, whose sum is σ = 2189548328. Its totient is φ = 2189548326.

The previous prime is 2189548307. The next prime is 2189548357. The reversal of 2189548327 is 7238459812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2189548327 - 2¹⁹ = 2189024039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2189548307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094774163 + 1094774164.

It is an arithmetic number, because the mean of its divisors is an integer number (1094774164).

Almost surely, 2^2189548327 is an apocalyptic number.

2189548327 is a deficient number, since it is larger than the sum of its proper divisors (1).

2189548327 is an equidigital number, since it uses as much as digits as its factorization.

2189548327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 49.

The square root of 2189548327 is about 46792.6097476941. The cubic root of 2189548327 is about 1298.5285771901.

The spelling of 2189548327 in words is "two billion, one hundred eighty-nine million, five hundred forty-eight thousand, three hundred twenty-seven".