4400452139989 has 2 divisors, whose sum is σ = 4400452139990. Its totient is φ = 4400452139988.

The previous prime is 4400452139987. The next prime is 4400452140041. The reversal of 4400452139989 is 9899312540044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2486219400625 + 1914232739364 = 1576775^2 + 1383558^2 .

It is a cyclic number.

It is not a de Polignac number, because 4400452139989 - 2¹ = 4400452139987 is a prime.

Together with 4400452139987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4400452139987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200226069994 + 2200226069995.

It is an arithmetic number, because the mean of its divisors is an integer number (2200226069995).

Almost surely, 2^{4400452139989} is an apocalyptic number.

It is an amenable number.

4400452139989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400452139989 is an equidigital number, since it uses as much as digits as its factorization.

4400452139989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 4400452139989 in words is "four trillion, four hundred billion, four hundred fifty-two million, one hundred thirty-nine thousand, nine hundred eighty-nine".