28849030911 has 6 divisors (see below), whose sum is σ = 41670822440. Its totient is φ = 19232687268.

The previous prime is 28849030907. The next prime is 28849030949. The reversal of 28849030911 is 11903094882.

It is not a de Polignac number, because 28849030911 - 2² = 28849030907 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 (28849030961) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1602723931 + ... + 1602723948.

Almost surely, 2^28849030911 is an apocalyptic number.

28849030911 is a deficient number, since it is larger than the sum of its proper divisors (12821791529).

28849030911 is a wasteful number, since it uses less digits than its factorization.

28849030911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205447885 (or 3205447882 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 28849030911 in words is "twenty-eight billion, eight hundred forty-nine million, thirty thousand, nine hundred eleven".