28950227041 has 4 divisors (see below), whose sum is σ = 28955034900. Its totient is φ = 28945419184.

The previous prime is 28950226997. The next prime is 28950227057. The reversal of 28950227041 is 14072205982.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14072205982 = 2 ⋅7036102991.

It can be written as a sum of positive squares in 2 ways, for example, as 27267586641 + 1682640400 = 165129^2 + 41020^2 .

It is a cyclic number.

It is not a de Polignac number, because 28950227041 - 2¹³ = 28950218849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28950226985 and 28950227003.

It is not an unprimeable number, because it can be changed into a prime (28950227071) 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, 2394886 + ... + 2406943.

It is an arithmetic number, because the mean of its divisors is an integer number (7238758725).

Almost surely, 2^28950227041 is an apocalyptic number.

It is an amenable number.

28950227041 is a deficient number, since it is larger than the sum of its proper divisors (4807859).

28950227041 is an equidigital number, since it uses as much as digits as its factorization.

28950227041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807858.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 28950227041 in words is "twenty-eight billion, nine hundred fifty million, two hundred twenty-seven thousand, forty-one".