4400539393 has 2 divisors, whose sum is σ = 4400539394. Its totient is φ = 4400539392.

The previous prime is 4400539391. The next prime is 4400539483. The reversal of 4400539393 is 3939350044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3300157809 + 1100381584 = 57447^2 + 33172^2 .

It is a cyclic number.

It is not a de Polignac number, because 4400539393 - 2¹ = 4400539391 is a prime.

Together with 4400539391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4400539391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200269696 + 2200269697.

It is an arithmetic number, because the mean of its divisors is an integer number (2200269697).

Almost surely, 2^4400539393 is an apocalyptic number.

It is an amenable number.

4400539393 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400539393 is an equidigital number, since it uses as much as digits as its factorization.

4400539393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 40.

The square root of 4400539393 is about 66336.5615102260. The cubic root of 4400539393 is about 1638.7094984892.

The spelling of 4400539393 in words is "four billion, four hundred million, five hundred thirty-nine thousand, three hundred ninety-three".