433420221443 has 32 divisors (see below), whose sum is σ = 499089884160. Its totient is φ = 372865109760.

The previous prime is 433420221413. The next prime is 433420221469. The reversal of 433420221443 is 344122024334.

It is a de Polignac number, because none of the positive numbers 2^k-433420221443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (433420221413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2053655 + ... + 2254847.

It is an arithmetic number, because the mean of its divisors is an integer number (15596558880).

Almost surely, 2^433420221443 is an apocalyptic number.

433420221443 is a deficient number, since it is larger than the sum of its proper divisors (65669662717).

433420221443 is a wasteful number, since it uses less digits than its factorization.

433420221443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201387.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 433420221443 its reverse (344122024334), we get a palindrome (777542245777).

The spelling of 433420221443 in words is "four hundred thirty-three billion, four hundred twenty million, two hundred twenty-one thousand, four hundred forty-three".