433421111421 has 12 divisors (see below), whose sum is σ = 626999854780. Its totient is φ = 288510266880.

The previous prime is 433421111419. The next prime is 433421111423. The reversal of 433421111421 is 124111124334.

It is a happy number.

433421111421 is a `hidden beast` number, since 4 + 334 + 211 + 114 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (433421111419) and next prime (433421111423).

It can be written as a sum of positive squares in 2 ways, for example, as 204421536900 + 228999574521 = 452130^2 + 478539^2 .

It is not a de Polignac number, because 433421111421 - 2¹ = 433421111419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433421111423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36422116 + ... + 36434013.

Almost surely, 2^433421111421 is an apocalyptic number.

It is an amenable number.

433421111421 is a deficient number, since it is larger than the sum of its proper divisors (193578743359).

433421111421 is a wasteful number, since it uses less digits than its factorization.

433421111421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72856796 (or 72856793 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 433421111421 its reverse (124111124334), we get a palindrome (557532235755).

The spelling of 433421111421 in words is "four hundred thirty-three billion, four hundred twenty-one million, one hundred eleven thousand, four hundred twenty-one".