28052306049 has 8 divisors (see below), whose sum is σ = 37439287072. Its totient is φ = 18683431200.

The previous prime is 28052306041. The next prime is 28052306057. The reversal of 28052306049 is 94060325082.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28052306041) and next prime (28052306057).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28052306049 - 2³ = 28052306041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28052305998 and 28052306016.

It is not an unprimeable number, because it can be changed into a prime (28052306041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4522927 + ... + 4529124.

It is an arithmetic number, because the mean of its divisors is an integer number (4679910884).

Almost surely, 2^28052306049 is an apocalyptic number.

It is an amenable number.

28052306049 is a deficient number, since it is larger than the sum of its proper divisors (9386981023).

28052306049 is a wasteful number, since it uses less digits than its factorization.

28052306049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9053087.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 28052306049 in words is "twenty-eight billion, fifty-two million, three hundred six thousand, forty-nine".