4421896439 has 2 divisors, whose sum is σ = 4421896440. Its totient is φ = 4421896438.

The previous prime is 4421896387. The next prime is 4421896459. The reversal of 4421896439 is 9346981244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4421896439 - 2⁸ = 4421896183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4421896459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210948219 + 2210948220.

It is an arithmetic number, because the mean of its divisors is an integer number (2210948220).

Almost surely, 2^4421896439 is an apocalyptic number.

4421896439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4421896439 is an equidigital number, since it uses as much as digits as its factorization.

4421896439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 50.

The square root of 4421896439 is about 66497.3415934803. The cubic root of 4421896439 is about 1641.3562594762.

The spelling of 4421896439 in words is "four billion, four hundred twenty-one million, eight hundred ninety-six thousand, four hundred thirty-nine".