32644622033 has 4 divisors (see below), whose sum is σ = 32652981360. Its totient is φ = 32636262708.

The previous prime is 32644621903. The next prime is 32644622041. The reversal of 32644622033 is 33022644623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33022644623 = 3331 ⋅9913733.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32644622033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32644621984 and 32644622002.

It is not an unprimeable number, because it can be changed into a prime (32644622083) 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, 4173803 + ... + 4181616.

It is an arithmetic number, because the mean of its divisors is an integer number (8163245340).

Almost surely, 2^32644622033 is an apocalyptic number.

It is an amenable number.

32644622033 is a deficient number, since it is larger than the sum of its proper divisors (8359327).

32644622033 is an equidigital number, since it uses as much as digits as its factorization.

32644622033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8359326.

The product of its (nonzero) digits is 124416, while the sum is 35.

The spelling of 32644622033 in words is "thirty-two billion, six hundred forty-four million, six hundred twenty-two thousand, thirty-three".