4442452439 has 2 divisors, whose sum is σ = 4442452440. Its totient is φ = 4442452438.

The previous prime is 4442452381. The next prime is 4442452451. The reversal of 4442452439 is 9342542444.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4442452439 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 4442452396 and 4442452405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4442452499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221226219 + 2221226220.

It is an arithmetic number, because the mean of its divisors is an integer number (2221226220).

Almost surely, 2^4442452439 is an apocalyptic number.

4442452439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442452439 is an equidigital number, since it uses as much as digits as its factorization.

4442452439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 41.

The square root of 4442452439 is about 66651.7249514219. The cubic root of 4442452439 is about 1643.8957107859.

The spelling of 4442452439 in words is "four billion, four hundred forty-two million, four hundred fifty-two thousand, four hundred thirty-nine".