28743030003 has 16 divisors (see below), whose sum is σ = 38507212800. Its totient is φ = 19070600640.

The previous prime is 28743029999. The next prime is 28743030047. The reversal of 28743030003 is 30003034782.

It is not a de Polignac number, because 28743030003 - 2² = 28743029999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28743030703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686958 + ... + 727596.

It is an arithmetic number, because the mean of its divisors is an integer number (2406700800).

Almost surely, 2^28743030003 is an apocalyptic number.

28743030003 is a deficient number, since it is larger than the sum of its proper divisors (9764182797).

28743030003 is a wasteful number, since it uses less digits than its factorization.

28743030003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41762.

The product of its (nonzero) digits is 12096, while the sum is 30.

Adding to 28743030003 its reverse (30003034782), we get a palindrome (58746064785).

The spelling of 28743030003 in words is "twenty-eight billion, seven hundred forty-three million, thirty thousand, three".