433121220321 has 8 divisors (see below), whose sum is σ = 577892416320. Its totient is φ = 288548752272.

The previous prime is 433121220307. The next prime is 433121220377. The reversal of 433121220321 is 123022121334.

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

It is not a de Polignac number, because 433121220321 - 2⁷ = 433121220193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 433121220291 and 433121220300.

It is not an unprimeable number, because it can be changed into a prime (433121220391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49676901 + ... + 49685618.

It is an arithmetic number, because the mean of its divisors is an integer number (72236552040).

Almost surely, 2^433121220321 is an apocalyptic number.

It is an amenable number.

433121220321 is a deficient number, since it is larger than the sum of its proper divisors (144771195999).

433121220321 is a wasteful number, since it uses less digits than its factorization.

433121220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99363975.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 433121220321 its reverse (123022121334), we get a palindrome (556143341655).

The spelling of 433121220321 in words is "four hundred thirty-three billion, one hundred twenty-one million, two hundred twenty thousand, three hundred twenty-one".