1441663605 has 48 divisors (see below), whose sum is σ = 2530485360. Its totient is φ = 759220224.

The previous prime is 1441663583. The next prime is 1441663609. The reversal of 1441663605 is 5063661441.

It is a happy number.

1441663605 is a `hidden beast` number, since 1 + 4 + 4 + 16 + 636 + 0 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 295908804 + 1145754801 = 17202^2 + 33849^2 .

It is not a de Polignac number, because 1441663605 - 2¹⁶ = 1441598069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1441663605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441663609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2587987 + ... + 2588543.

It is an arithmetic number, because the mean of its divisors is an integer number (52718445).

Almost surely, 2^1441663605 is an apocalyptic number.

1441663605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1441663605 is a deficient number, since it is larger than the sum of its proper divisors (1088821755).

1441663605 is a wasteful number, since it uses less digits than its factorization.

1441663605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1441663605 is about 37969.2455152851. The cubic root of 1441663605 is about 1129.6779318129.

The spelling of 1441663605 in words is "one billion, four hundred forty-one million, six hundred sixty-three thousand, six hundred five".