2198289609 has 12 divisors (see below), whose sum is σ = 3200311296. Its totient is φ = 1453986072.

The previous prime is 2198289589. The next prime is 2198289659. The reversal of 2198289609 is 9069828912.

2198289609 is a `hidden beast` number, since 2 + 1 + 9 + 8 + 28 + 9 + 609 = 666.

It is not a de Polignac number, because 2198289609 - 2¹⁷ = 2198158537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2198289659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 960489 + ... + 962774.

It is an arithmetic number, because the mean of its divisors is an integer number (266692608).

Almost surely, 2^2198289609 is an apocalyptic number.

It is an amenable number.

2198289609 is a deficient number, since it is larger than the sum of its proper divisors (1002021687).

2198289609 is a wasteful number, since it uses less digits than its factorization.

2198289609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923396 (or 1923393 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 2198289609 is about 46885.9212237533. The cubic root of 2198289609 is about 1300.2543109970.

It can be divided in two parts, 219 and 8289609, that added together give a palindrome (8289828).

The spelling of 2198289609 in words is "two billion, one hundred ninety-eight million, two hundred eighty-nine thousand, six hundred nine".