28532210745 has 16 divisors (see below), whose sum is σ = 47124168192. Its totient is φ = 14726302080.

The previous prime is 28532210741. The next prime is 28532210753. The reversal of 28532210745 is 54701223582.

It is not a de Polignac number, because 28532210745 - 2² = 28532210741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28532210741) 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 15 ways as a sum of consecutive naturals, for example, 30679332 + ... + 30680261.

It is an arithmetic number, because the mean of its divisors is an integer number (2945260512).

Almost surely, 2^28532210745 is an apocalyptic number.

It is an amenable number.

28532210745 is a deficient number, since it is larger than the sum of its proper divisors (18591957447).

28532210745 is a wasteful number, since it uses less digits than its factorization.

28532210745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61359632.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 28532210745 in words is "twenty-eight billion, five hundred thirty-two million, two hundred ten thousand, seven hundred forty-five".