4439980399 has 2 divisors, whose sum is σ = 4439980400. Its totient is φ = 4439980398.

The previous prime is 4439980381. The next prime is 4439980409. The reversal of 4439980399 is 9930899344.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4439980399 - 2⁵ = 4439980367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4439980319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2219990199 + 2219990200.

It is an arithmetic number, because the mean of its divisors is an integer number (2219990200).

Almost surely, 2^4439980399 is an apocalyptic number.

4439980399 is a deficient number, since it is larger than the sum of its proper divisors (1).

4439980399 is an equidigital number, since it uses as much as digits as its factorization.

4439980399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7558272, while the sum is 58.

The square root of 4439980399 is about 66633.1779146095. The cubic root of 4439980399 is about 1643.5907343480.

The spelling of 4439980399 in words is "four billion, four hundred thirty-nine million, nine hundred eighty thousand, three hundred ninety-nine".