2198840089 has 4 divisors (see below), whose sum is σ = 2294441856. Its totient is φ = 2103238324.

The previous prime is 2198840087. The next prime is 2198840093. The reversal of 2198840089 is 9800488912.

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 2198840089 - 2¹ = 2198840087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2198840087) 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, 47800849 + ... + 47800894.

It is an arithmetic number, because the mean of its divisors is an integer number (573610464).

Almost surely, 2^2198840089 is an apocalyptic number.

It is an amenable number.

2198840089 is a deficient number, since it is larger than the sum of its proper divisors (95601767).

2198840089 is an equidigital number, since it uses as much as digits as its factorization.

2198840089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95601766.

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 2198840089 is about 46891.7912752328. The cubic root of 2198840089 is about 1300.3628354081.

The spelling of 2198840089 in words is "two billion, one hundred ninety-eight million, eight hundred forty thousand, eighty-nine".