5613621223 has 4 divisors (see below), whose sum is σ = 6415567120. Its totient is φ = 4811675328.

The previous prime is 5613621199. The next prime is 5613621229. The reversal of 5613621223 is 3221263165.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5613621223 - 2⁵ = 5613621191 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 (5613621229) 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, 400972938 + ... + 400972951.

It is an arithmetic number, because the mean of its divisors is an integer number (1603891780).

Almost surely, 2^5613621223 is an apocalyptic number.

5613621223 is a deficient number, since it is larger than the sum of its proper divisors (801945897).

5613621223 is an equidigital number, since it uses as much as digits as its factorization.

5613621223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801945896.

The product of its digits is 12960, while the sum is 31.

The square root of 5613621223 is about 74924.1030843880. The cubic root of 5613621223 is about 1777.2466398788.

Adding to 5613621223 its reverse (3221263165), we get a palindrome (8834884388).

The spelling of 5613621223 in words is "five billion, six hundred thirteen million, six hundred twenty-one thousand, two hundred twenty-three".