2321221645433 has 8 divisors (see below), whose sum is σ = 2379155656416. Its totient is φ = 2263467276000.

The previous prime is 2321221645397. The next prime is 2321221645459. The reversal of 2321221645433 is 3345461221232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2321221645433 - 2¹⁰ = 2321221644409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2321221645493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44884223 + ... + 44935908.

It is an arithmetic number, because the mean of its divisors is an integer number (297394457052).

Almost surely, 2^{2321221645433} is an apocalyptic number.

It is an amenable number.

2321221645433 is a deficient number, since it is larger than the sum of its proper divisors (57934010983).

2321221645433 is an equidigital number, since it uses as much as digits as its factorization.

2321221645433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89820775.

The product of its digits is 207360, while the sum is 38.

Adding to 2321221645433 its reverse (3345461221232), we get a palindrome (5666682866665).

The spelling of 2321221645433 in words is "two trillion, three hundred twenty-one billion, two hundred twenty-one million, six hundred forty-five thousand, four hundred thirty-three".