28546923093 has 64 divisors (see below), whose sum is σ = 42590042880. Its totient is φ = 16899176448.

The previous prime is 28546923077. The next prime is 28546923109. The reversal of 28546923093 is 39032964582.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28546923077) and next prime (28546923109).

It is not a de Polignac number, because 28546923093 - 2⁴ = 28546923077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28546923793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20790955 + ... + 20792327.

It is an arithmetic number, because the mean of its divisors is an integer number (665469420).

Almost surely, 2^28546923093 is an apocalyptic number.

It is an amenable number.

28546923093 is a deficient number, since it is larger than the sum of its proper divisors (14043119787).

28546923093 is a wasteful number, since it uses less digits than its factorization.

28546923093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 28546923093 in words is "twenty-eight billion, five hundred forty-six million, nine hundred twenty-three thousand, ninety-three".