5444442109 has 2 divisors, whose sum is σ = 5444442110. Its totient is φ = 5444442108.

The previous prime is 5444442097. The next prime is 5444442149. The reversal of 5444442109 is 9012444445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4778956900 + 665485209 = 69130^2 + 25797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5444442109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5444442149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722221054 + 2722221055.

It is an arithmetic number, because the mean of its divisors is an integer number (2722221055).

Almost surely, 2^5444442109 is an apocalyptic number.

It is an amenable number.

5444442109 is a deficient number, since it is larger than the sum of its proper divisors (1).

5444442109 is an equidigital number, since it uses as much as digits as its factorization.

5444442109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 5444442109 is about 73786.4629115666. The cubic root of 5444442109 is about 1759.2104444248.

The spelling of 5444442109 in words is "five billion, four hundred forty-four million, four hundred forty-two thousand, one hundred nine".