4442445419 has 2 divisors, whose sum is σ = 4442445420. Its totient is φ = 4442445418.

The previous prime is 4442445409. The next prime is 4442445439. The reversal of 4442445419 is 9145442444.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4442445419 is a prime.

It is a super-2 number, since 2×4442445419² = 39470642601588171122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4442445409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221222709 + 2221222710.

It is an arithmetic number, because the mean of its divisors is an integer number (2221222710).

Almost surely, 2^4442445419 is an apocalyptic number.

4442445419 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442445419 is an equidigital number, since it uses as much as digits as its factorization.

4442445419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 41.

The square root of 4442445419 is about 66651.6722895983. The cubic root of 4442445419 is about 1643.8948448862.

The spelling of 4442445419 in words is "four billion, four hundred forty-two million, four hundred forty-five thousand, four hundred nineteen".