28324028249 has 16 divisors (see below), whose sum is σ = 31870350720. Its totient is φ = 24945586560.

The previous prime is 28324028197. The next prime is 28324028267. The reversal of 28324028249 is 94282042382.

It is a cyclic number.

It is not a de Polignac number, because 28324028249 - 2⁸ = 28324027993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28324028269) 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, 54509 + ... + 244170.

It is an arithmetic number, because the mean of its divisors is an integer number (1991896920).

Almost surely, 2^28324028249 is an apocalyptic number.

It is an amenable number.

28324028249 is a deficient number, since it is larger than the sum of its proper divisors (3546322471).

28324028249 is a wasteful number, since it uses less digits than its factorization.

28324028249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298960.

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 28324028249 in words is "twenty-eight billion, three hundred twenty-four million, twenty-eight thousand, two hundred forty-nine".