5423433620221 has 16 divisors (see below), whose sum is σ = 5573526940800. Its totient is φ = 5273526506688.

The previous prime is 5423433620219. The next prime is 5423433620237. The reversal of 5423433620221 is 1220263343245.

It is not a de Polignac number, because 5423433620221 - 2¹ = 5423433620219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5423433620261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600663735 + ... + 600672763.

It is an arithmetic number, because the mean of its divisors is an integer number (348345433800).

Almost surely, 2^{5423433620221} is an apocalyptic number.

It is an amenable number.

5423433620221 is a deficient number, since it is larger than the sum of its proper divisors (150093320579).

5423433620221 is a wasteful number, since it uses less digits than its factorization.

5423433620221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17508.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 5423433620221 its reverse (1220263343245), we get a palindrome (6643696963466).

The spelling of 5423433620221 in words is "five trillion, four hundred twenty-three billion, four hundred thirty-three million, six hundred twenty thousand, two hundred twenty-one".