28603527473 has 4 divisors (see below), whose sum is σ = 28628379648.
Its totient is φ = 28578675300.
The previous prime is 28603527443. The next prime is 28603527493. The reversal of 28603527473 is 37472530682.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 28603527473 - 214 = 28603511089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28603527413) 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 3 ways as a sum of consecutive naturals, for example, 12424361 + ... + 12426662.
It is an arithmetic number, because the mean of its divisors is an integer number (7157094912).
Almost surely, 228603527473 is an apocalyptic number.
It is an amenable number.
28603527473 is a deficient number, since it is larger than the sum of its proper divisors (24852175).
28603527473 is a wasteful number, since it uses less digits than its factorization.
28603527473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24852174.
The product of its (nonzero) digits is 1693440, while the sum is 47.
The spelling of 28603527473 in words is "twenty-eight billion, six hundred three million, five hundred twenty-seven thousand, four hundred seventy-three".