5442823919 has 4 divisors (see below), whose sum is σ = 5861502696. Its totient is φ = 5024145144.

The previous prime is 5442823909. The next prime is 5442823933. The reversal of 5442823919 is 9193282445.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9193282445 = 5 ⋅1838656489.

It is a cyclic number.

It is not a de Polignac number, because 5442823919 - 2¹⁶ = 5442758383 is a prime.

It is a super-2 number, since 2×5442823919² = 59248664426477037122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5442823909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209339369 + ... + 209339394.

It is an arithmetic number, because the mean of its divisors is an integer number (1465375674).

Almost surely, 2^5442823919 is an apocalyptic number.

5442823919 is a deficient number, since it is larger than the sum of its proper divisors (418678777).

5442823919 is a wasteful number, since it uses less digits than its factorization.

5442823919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418678776.

The product of its digits is 622080, while the sum is 47.

The square root of 5442823919 is about 73775.4967384158. The cubic root of 5442823919 is about 1759.0361370747.

The spelling of 5442823919 in words is "five billion, four hundred forty-two million, eight hundred twenty-three thousand, nine hundred nineteen".