4399748219 has 2 divisors, whose sum is σ = 4399748220. Its totient is φ = 4399748218.

The previous prime is 4399748207. The next prime is 4399748233. The reversal of 4399748219 is 9128479934.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4399748219 is a prime.

It is a super-2 number, since 2×4399748219² = 38715568781187343922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4399778219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2199874109 + 2199874110.

It is an arithmetic number, because the mean of its divisors is an integer number (2199874110).

Almost surely, 2^4399748219 is an apocalyptic number.

4399748219 is a deficient number, since it is larger than the sum of its proper divisors (1).

4399748219 is an equidigital number, since it uses as much as digits as its factorization.

4399748219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 56.

The square root of 4399748219 is about 66330.5979092605. The cubic root of 4399748219 is about 1638.6112846159.

The spelling of 4399748219 in words is "four billion, three hundred ninety-nine million, seven hundred forty-eight thousand, two hundred nineteen".