28209348914 has 16 divisors (see below), whose sum is σ = 42907804800. Its totient is φ = 13907232144.

The previous prime is 28209348899. The next prime is 28209348917. The reversal of 28209348914 is 41984390282.

It is not an unprimeable number, because it can be changed into a prime (28209348917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4037 + ... + 237560.

It is an arithmetic number, because the mean of its divisors is an integer number (2681737800).

Almost surely, 2^28209348914 is an apocalyptic number.

28209348914 is a deficient number, since it is larger than the sum of its proper divisors (14698455886).

28209348914 is a wasteful number, since it uses less digits than its factorization.

28209348914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242417.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 28209348914 in words is "twenty-eight billion, two hundred nine million, three hundred forty-eight thousand, nine hundred fourteen".