28193029183 has 8 divisors (see below), whose sum is σ = 30806212176. Its totient is φ = 25588209600.

The previous prime is 28193029159. The next prime is 28193029199. The reversal of 28193029183 is 38192039182.

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-28193029183 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 (28193029133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083798 + ... + 2097283.

It is an arithmetic number, because the mean of its divisors is an integer number (3850776522).

Almost surely, 2^28193029183 is an apocalyptic number.

28193029183 is a deficient number, since it is larger than the sum of its proper divisors (2613182993).

28193029183 is a wasteful number, since it uses less digits than its factorization.

28193029183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181705.

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

Subtracting 28193029183 from its reverse (38192039182), we obtain a palindrome (9999009999).

It can be divided in two parts, 281930 and 29183, that added together give a palindrome (311113).

The spelling of 28193029183 in words is "twenty-eight billion, one hundred ninety-three million, twenty-nine thousand, one hundred eighty-three".