32013144421 has 4 divisors (see below), whose sum is σ = 32024955744. Its totient is φ = 32001333100.

The previous prime is 32013144413. The next prime is 32013144437. The reversal of 32013144421 is 12444131023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32013144421 - 2³ = 32013144413 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 (32013244421) 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 3 ways as a sum of consecutive naturals, for example, 5901595 + ... + 5907016.

It is an arithmetic number, because the mean of its divisors is an integer number (8006238936).

Almost surely, 2^32013144421 is an apocalyptic number.

It is an amenable number.

32013144421 is a deficient number, since it is larger than the sum of its proper divisors (11811323).

32013144421 is a wasteful number, since it uses less digits than its factorization.

32013144421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11811322.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 32013144421 its reverse (12444131023), we get a palindrome (44457275444).

The spelling of 32013144421 in words is "thirty-two billion, thirteen million, one hundred forty-four thousand, four hundred twenty-one".