2065559456 has 12 divisors (see below), whose sum is σ = 4066570242. Its totient is φ = 1032779712.

The previous prime is 2065559453. The next prime is 2065559473. The reversal of 2065559456 is 6549555602.

It can be written as a sum of positive squares in only one way, i.e., 1146499600 + 919059856 = 33860^2 + 30316^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2065559456.

It is not an unprimeable number, because it can be changed into a prime (2065559453) 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, 32274335 + ... + 32274398.

Almost surely, 2^2065559456 is an apocalyptic number.

It is an amenable number.

2065559456 is a deficient number, since it is larger than the sum of its proper divisors (2001010786).

2065559456 is an equidigital number, since it uses as much as digits as its factorization.

2065559456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64548743 (or 64548735 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 47.

The square root of 2065559456 is about 45448.4263313924. The cubic root of 2065559456 is about 1273.5399318172.

The spelling of 2065559456 in words is "two billion, sixty-five million, five hundred fifty-nine thousand, four hundred fifty-six".