433424343021 has 16 divisors (see below), whose sum is σ = 594005893824. Its totient is φ = 280909016064.

The previous prime is 433424343017. The next prime is 433424343083. The reversal of 433424343021 is 120343424334.

It is a happy number.

It is not a de Polignac number, because 433424343021 - 2² = 433424343017 is a prime.

It is a super-2 number, since 2×433424343021² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433424343221) 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 15 ways as a sum of consecutive naturals, for example, 1469155 + ... + 1739328.

It is an arithmetic number, because the mean of its divisors is an integer number (37125368364).

Almost surely, 2^433424343021 is an apocalyptic number.

It is an amenable number.

433424343021 is a deficient number, since it is larger than the sum of its proper divisors (160581550803).

433424343021 is a wasteful number, since it uses less digits than its factorization.

433424343021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209740.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 433424343021 its reverse (120343424334), we get a palindrome (553767767355).

The spelling of 433424343021 in words is "four hundred thirty-three billion, four hundred twenty-four million, three hundred forty-three thousand, twenty-one".