28198032193 has 8 divisors (see below), whose sum is σ = 28730725056. Its totient is φ = 27669104400.

The previous prime is 28198032169. The next prime is 28198032217. The reversal of 28198032193 is 39123089182.

It is an interprime number because it is at equal distance from previous prime (28198032169) and next prime (28198032217).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28198032193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28198032493) 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 7 ways as a sum of consecutive naturals, for example, 926146 + ... + 956107.

It is an arithmetic number, because the mean of its divisors is an integer number (3591340632).

Almost surely, 2^28198032193 is an apocalyptic number.

It is an amenable number.

28198032193 is a deficient number, since it is larger than the sum of its proper divisors (532692863).

28198032193 is a wasteful number, since it uses less digits than its factorization.

28198032193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882535.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 28198032193 in words is "twenty-eight billion, one hundred ninety-eight million, thirty-two thousand, one hundred ninety-three".