33099197728 has 24 divisors (see below), whose sum is σ = 65296793520. Its totient is φ = 16515885120.

The previous prime is 33099197723. The next prime is 33099197753. The reversal of 33099197728 is 82779199033.

It is not an unprimeable number, because it can be changed into a prime (33099197723) 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 3 ways as a sum of consecutive naturals, for example, 1037598 + ... + 1069021.

It is an arithmetic number, because the mean of its divisors is an integer number (2720699730).

Almost surely, 2^33099197728 is an apocalyptic number.

It is an amenable number.

33099197728 is a deficient number, since it is larger than the sum of its proper divisors (32197595792).

33099197728 is a wasteful number, since it uses less digits than its factorization.

33099197728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107120 (or 2107112 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 58.

The spelling of 33099197728 in words is "thirty-three billion, ninety-nine million, one hundred ninety-seven thousand, seven hundred twenty-eight".