5621444411523 has 8 divisors (see below), whose sum is σ = 7511447682048. Its totient is φ = 3739535374344.

The previous prime is 5621444411507. The next prime is 5621444411567. The reversal of 5621444411523 is 3251144441265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5621444411523 - 2⁴ = 5621444411507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5621444411923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2023556715 + ... + 2023559492.

It is an arithmetic number, because the mean of its divisors is an integer number (938930960256).

Almost surely, 2^{5621444411523} is an apocalyptic number.

5621444411523 is a deficient number, since it is larger than the sum of its proper divisors (1890003270525).

5621444411523 is a wasteful number, since it uses less digits than its factorization.

5621444411523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047116673.

The product of its digits is 460800, while the sum is 42.

Adding to 5621444411523 its reverse (3251144441265), we get a palindrome (8872588852788).

The spelling of 5621444411523 in words is "five trillion, six hundred twenty-one billion, four hundred forty-four million, four hundred eleven thousand, five hundred twenty-three".