63545253244 has 24 divisors (see below), whose sum is σ = 121322880000. Its totient is φ = 28882012080.

The previous prime is 63545253217. The next prime is 63545253259. The reversal of 63545253244 is 44235254536.

It is a self number, because there is not a number n which added to its sum of digits gives 63545253244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625957 + ... + 720355.

It is an arithmetic number, because the mean of its divisors is an integer number (5055120000).

Almost surely, 2^63545253244 is an apocalyptic number.

It is an amenable number.

63545253244 is a deficient number, since it is larger than the sum of its proper divisors (57777626756).

63545253244 is a wasteful number, since it uses less digits than its factorization.

63545253244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109713 (or 109711 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 43.

The spelling of 63545253244 in words is "sixty-three billion, five hundred forty-five million, two hundred fifty-three thousand, two hundred forty-four".