8398189149 has 16 divisors (see below), whose sum is σ = 12799097472. Its totient is φ = 4798268928.

The previous prime is 8398189139. The next prime is 8398189211. The reversal of 8398189149 is 9419818938.

It is not a de Polignac number, because 8398189149 - 2⁵ = 8398189117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8398189092 and 8398189101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8398189139) 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 15 ways as a sum of consecutive naturals, for example, 142837 + ... + 192869.

It is an arithmetic number, because the mean of its divisors is an integer number (799943592).

Almost surely, 2^8398189149 is an apocalyptic number.

It is an amenable number.

8398189149 is a deficient number, since it is larger than the sum of its proper divisors (4400908323).

8398189149 is a wasteful number, since it uses less digits than its factorization.

8398189149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58036.

The product of its digits is 4478976, while the sum is 60.

The square root of 8398189149 is about 91641.6343645180. The cubic root of 8398189149 is about 2032.6466283412.

The spelling of 8398189149 in words is "eight billion, three hundred ninety-eight million, one hundred eighty-nine thousand, one hundred forty-nine".