28146492203 has 4 divisors (see below), whose sum is σ = 28409543640. Its totient is φ = 27883440768.

The previous prime is 28146492197. The next prime is 28146492217. The reversal of 28146492203 is 30229464182.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28146492203 - 2⁶ = 28146492139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28146492263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131525558 + ... + 131525771.

It is an arithmetic number, because the mean of its divisors is an integer number (7102385910).

Almost surely, 2^28146492203 is an apocalyptic number.

28146492203 is a deficient number, since it is larger than the sum of its proper divisors (263051437).

28146492203 is a wasteful number, since it uses less digits than its factorization.

28146492203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263051436.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 28146492203 in words is "twenty-eight billion, one hundred forty-six million, four hundred ninety-two thousand, two hundred three".