28259002849 has 32 divisors (see below), whose sum is σ = 36171463680. Its totient is φ = 21439204800.

The previous prime is 28259002829. The next prime is 28259002867. The reversal of 28259002849 is 94820095282.

It is a cyclic number.

It is not a de Polignac number, because 28259002849 - 2¹³ = 28258994657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28259002829) 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 31 ways as a sum of consecutive naturals, for example, 508182 + ... + 561040.

It is an arithmetic number, because the mean of its divisors is an integer number (1130358240).

Almost surely, 2^28259002849 is an apocalyptic number.

It is an amenable number.

28259002849 is a deficient number, since it is larger than the sum of its proper divisors (7912460831).

28259002849 is a wasteful number, since it uses less digits than its factorization.

28259002849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53061.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 28259002849 in words is "twenty-eight billion, two hundred fifty-nine million, two thousand, eight hundred forty-nine".