5441981819 has 2 divisors, whose sum is σ = 5441981820. Its totient is φ = 5441981818.

The previous prime is 5441981791. The next prime is 5441981833. The reversal of 5441981819 is 9181891445.

5441981819 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5441981819 - 2²⁰ = 5440933243 is a prime.

It is a super-2 number, since 2×5441981819² = 59230332236653097522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5441981849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2720990909 + 2720990910.

It is an arithmetic number, because the mean of its divisors is an integer number (2720990910).

Almost surely, 2^5441981819 is an apocalyptic number.

5441981819 is a deficient number, since it is larger than the sum of its proper divisors (1).

5441981819 is an equidigital number, since it uses as much as digits as its factorization.

5441981819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 50.

The square root of 5441981819 is about 73769.7893381837. The cubic root of 5441981819 is about 1758.9454145164.

The spelling of 5441981819 in words is "five billion, four hundred forty-one million, nine hundred eighty-one thousand, eight hundred nineteen".