1440664483 has 2 divisors, whose sum is σ = 1440664484. Its totient is φ = 1440664482.

The previous prime is 1440664481. The next prime is 1440664529. The reversal of 1440664483 is 3844660441.

It is a weak prime.

It is an emirp because it is prime and its reverse (3844660441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1440664483 - 2¹ = 1440664481 is a prime.

Together with 1440664481, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1440664481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720332241 + 720332242.

It is an arithmetic number, because the mean of its divisors is an integer number (720332242).

Almost surely, 2^1440664483 is an apocalyptic number.

1440664483 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440664483 is an equidigital number, since it uses as much as digits as its factorization.

1440664483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 1440664483 is about 37956.0862445010. The cubic root of 1440664483 is about 1129.4169030703.

The spelling of 1440664483 in words is "one billion, four hundred forty million, six hundred sixty-four thousand, four hundred eighty-three".