5644445603 has 2 divisors, whose sum is σ = 5644445604. Its totient is φ = 5644445602.

The previous prime is 5644445591. The next prime is 5644445633. The reversal of 5644445603 is 3065444465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5644445603 - 2¹⁸ = 5644183459 is a prime.

It is not a weakly prime, because it can be changed into another prime (5644445633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822222801 + 2822222802.

It is an arithmetic number, because the mean of its divisors is an integer number (2822222802).

Almost surely, 2^5644445603 is an apocalyptic number.

5644445603 is a deficient number, since it is larger than the sum of its proper divisors (1).

5644445603 is an equidigital number, since it uses as much as digits as its factorization.

5644445603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 41.

The square root of 5644445603 is about 75129.5255076192. The cubic root of 5644445603 is about 1780.4936562661.

The spelling of 5644445603 in words is "five billion, six hundred forty-four million, four hundred forty-five thousand, six hundred three".