4423963819 has 32 divisors (see below), whose sum is σ = 5323138560. Its totient is φ = 3629260800.

The previous prime is 4423963813. The next prime is 4423963849. The reversal of 4423963819 is 9183693244.

It is not a de Polignac number, because 4423963819 - 2⁵ = 4423963787 is a prime.

It is a super-2 number, since 2×4423963819² = 39142911743642129522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4423963813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1233609 + ... + 1237189.

It is an arithmetic number, because the mean of its divisors is an integer number (166348080).

Almost surely, 2^4423963819 is an apocalyptic number.

4423963819 is a deficient number, since it is larger than the sum of its proper divisors (899174741).

4423963819 is a wasteful number, since it uses less digits than its factorization.

4423963819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891.

The product of its digits is 1119744, while the sum is 49.

The square root of 4423963819 is about 66512.8846089237. The cubic root of 4423963819 is about 1641.6120153840.

The spelling of 4423963819 in words is "four billion, four hundred twenty-three million, nine hundred sixty-three thousand, eight hundred nineteen".