63444243 has 8 divisors (see below), whose sum is σ = 85855168. Its totient is φ = 41664744.

The previous prime is 63444229. The next prime is 63444317. The reversal of 63444243 is 34244436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63444243 - 2⁸ = 63443987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63444243.

It is not an unprimeable number, because it can be changed into a prime (63444443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157621 + ... + 158022.

It is an arithmetic number, because the mean of its divisors is an integer number (10731896).

Almost surely, 2^63444243 is an apocalyptic number.

63444243 is a deficient number, since it is larger than the sum of its proper divisors (22410925).

63444243 is a wasteful number, since it uses less digits than its factorization.

63444243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315713.

The product of its digits is 27648, while the sum is 30.

The square root of 63444243 is about 7965.1894516075. The cubic root of 63444243 is about 398.8388052454.

Adding to 63444243 its reverse (34244436), we get a palindrome (97688679).

The spelling of 63444243 in words is "sixty-three million, four hundred forty-four thousand, two hundred forty-three".