5444438719 has 2 divisors, whose sum is σ = 5444438720. Its totient is φ = 5444438718.

The previous prime is 5444438707. The next prime is 5444438723. The reversal of 5444438719 is 9178344445.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5444438719 - 2⁷ = 5444438591 is a prime.

It is a super-2 number, since 2×5444438719² = 59283825929892721922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5444438729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722219359 + 2722219360.

It is an arithmetic number, because the mean of its divisors is an integer number (2722219360).

Almost surely, 2^5444438719 is an apocalyptic number.

5444438719 is a deficient number, since it is larger than the sum of its proper divisors (1).

5444438719 is an equidigital number, since it uses as much as digits as its factorization.

5444438719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 49.

The square root of 5444438719 is about 73786.4399398697. The cubic root of 5444438719 is about 1759.2100792986.

The spelling of 5444438719 in words is "five billion, four hundred forty-four million, four hundred thirty-eight thousand, seven hundred nineteen".