2042446019 has 4 divisors (see below), whose sum is σ = 2062275696. Its totient is φ = 2022616344.

The previous prime is 2042445997. The next prime is 2042446051. The reversal of 2042446019 is 9106442402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9106442402 = 2 ⋅4553221201.

It is a cyclic number.

It is not a de Polignac number, because 2042446019 - 2¹² = 2042441923 is a prime.

It is a super-2 number, since 2×2042446019² = 8343171481057896722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042446099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9914684 + ... + 9914889.

It is an arithmetic number, because the mean of its divisors is an integer number (515568924).

Almost surely, 2^2042446019 is an apocalyptic number.

2042446019 is a deficient number, since it is larger than the sum of its proper divisors (19829677).

2042446019 is a wasteful number, since it uses less digits than its factorization.

2042446019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19829676.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 2042446019 is about 45193.4289360743. The cubic root of 2042446019 is about 1268.7718341458.

The spelling of 2042446019 in words is "two billion, forty-two million, four hundred forty-six thousand, nineteen".