2198415389 has 8 divisors (see below), whose sum is σ = 2221134048. Its totient is φ = 2175715600.

The previous prime is 2198415379. The next prime is 2198415403. The reversal of 2198415389 is 9835148912.

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 2198415389 - 2⁸ = 2198415133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198415379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456854 + ... + 461640.

It is an arithmetic number, because the mean of its divisors is an integer number (277641756).

Almost surely, 2^2198415389 is an apocalyptic number.

It is an amenable number.

2198415389 is a deficient number, since it is larger than the sum of its proper divisors (22718659).

2198415389 is a wasteful number, since it uses less digits than its factorization.

2198415389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9435.

The product of its digits is 622080, while the sum is 50.

The square root of 2198415389 is about 46887.2625453865. The cubic root of 2198415389 is about 1300.2791094990.

It can be divided in two parts, 21984 and 15389, that added together give a palindrome (37373).

The spelling of 2198415389 in words is "two billion, one hundred ninety-eight million, four hundred fifteen thousand, three hundred eighty-nine".