5641404221 has 16 divisors (see below), whose sum is σ = 5901935424. Its totient is φ = 5387969664.

The previous prime is 5641404193. The next prime is 5641404233. The reversal of 5641404221 is 1224041465.

It is a cyclic number.

It is not a de Polignac number, because 5641404221 - 2¹⁰ = 5641403197 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 (5641404421) 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 15 ways as a sum of consecutive naturals, for example, 387551 + ... + 401843.

It is an arithmetic number, because the mean of its divisors is an integer number (368870964).

Almost surely, 2^5641404221 is an apocalyptic number.

It is an amenable number.

5641404221 is a deficient number, since it is larger than the sum of its proper divisors (260531203).

5641404221 is a wasteful number, since it uses less digits than its factorization.

5641404221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14540.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 5641404221 is about 75109.2818565056. The cubic root of 5641404221 is about 1780.1738058832.

Adding to 5641404221 its reverse (1224041465), we get a palindrome (6865445686).

The spelling of 5641404221 in words is "five billion, six hundred forty-one million, four hundred four thousand, two hundred twenty-one".