32121434443 has 4 divisors (see below), whose sum is σ = 36710210800. Its totient is φ = 27532658088.

The previous prime is 32121434441. The next prime is 32121434483. The reversal of 32121434443 is 34443412123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34443412123 = 4957 ⋅6948439.

It is a cyclic number.

It is not a de Polignac number, because 32121434443 - 2¹ = 32121434441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32121434441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2294388168 + ... + 2294388181.

It is an arithmetic number, because the mean of its divisors is an integer number (9177552700).

Almost surely, 2^32121434443 is an apocalyptic number.

32121434443 is a deficient number, since it is larger than the sum of its proper divisors (4588776357).

32121434443 is an equidigital number, since it uses as much as digits as its factorization.

32121434443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588776356.

The product of its digits is 27648, while the sum is 31.

Adding to 32121434443 its reverse (34443412123), we get a palindrome (66564846566).

The spelling of 32121434443 in words is "thirty-two billion, one hundred twenty-one million, four hundred thirty-four thousand, four hundred forty-three".