33632028989 has 16 divisors (see below), whose sum is σ = 36303590400. Its totient is φ = 30972640896.

The previous prime is 33632028961. The next prime is 33632029001. The reversal of 33632028989 is 98982023633.

It is a cyclic number.

It is not a de Polignac number, because 33632028989 - 2²⁰ = 33630980413 is a prime.

It is a super-2 number, since 2×33632028989² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33632028989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33632078989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19119092 + ... + 19120850.

It is an arithmetic number, because the mean of its divisors is an integer number (2268974400).

Almost surely, 2^33632028989 is an apocalyptic number.

It is an amenable number.

33632028989 is a deficient number, since it is larger than the sum of its proper divisors (2671561411).

33632028989 is a wasteful number, since it uses less digits than its factorization.

33632028989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 33632028989 in words is "thirty-three billion, six hundred thirty-two million, twenty-eight thousand, nine hundred eighty-nine".