5621440799 has 4 divisors (see below), whose sum is σ = 6053859336. Its totient is φ = 5189022264.

The previous prime is 5621440739. The next prime is 5621440801. The reversal of 5621440799 is 9970441265.

5621440799 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5621440799 - 2¹² = 5621436703 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 (5621440739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216209249 + ... + 216209274.

It is an arithmetic number, because the mean of its divisors is an integer number (1513464834).

Almost surely, 2^5621440799 is an apocalyptic number.

5621440799 is a deficient number, since it is larger than the sum of its proper divisors (432418537).

5621440799 is a wasteful number, since it uses less digits than its factorization.

5621440799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432418536.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 5621440799 is about 74976.2682386900. The cubic root of 5621440799 is about 1778.0714709332.

The spelling of 5621440799 in words is "five billion, six hundred twenty-one million, four hundred forty thousand, seven hundred ninety-nine".