2189243627 has 4 divisors (see below), whose sum is σ = 2213841960. Its totient is φ = 2164645296.

The previous prime is 2189243603. The next prime is 2189243657. The reversal of 2189243627 is 7263429812.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2189243627 - 2¹² = 2189239531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2189243657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12299033 + ... + 12299210.

It is an arithmetic number, because the mean of its divisors is an integer number (553460490).

Almost surely, 2^2189243627 is an apocalyptic number.

2189243627 is a deficient number, since it is larger than the sum of its proper divisors (24598333).

2189243627 is an equidigital number, since it uses as much as digits as its factorization.

2189243627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24598332.

The product of its digits is 290304, while the sum is 44.

The square root of 2189243627 is about 46789.3537783971. The cubic root of 2189243627 is about 1298.4683394982.

The spelling of 2189243627 in words is "two billion, one hundred eighty-nine million, two hundred forty-three thousand, six hundred twenty-seven".