63504366225 has 48 divisors (see below), whose sum is σ = 106688838144. Its totient is φ = 33324480000.

The previous prime is 63504366181. The next prime is 63504366239. The reversal of 63504366225 is 52266340536.

It is not a de Polignac number, because 63504366225 - 2¹⁰ = 63504365201 is a prime.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 2291200 + ... + 2318750.

It is an arithmetic number, because the mean of its divisors is an integer number (2222684128).

Almost surely, 2^63504366225 is an apocalyptic number.

It is an amenable number.

63504366225 is a deficient number, since it is larger than the sum of its proper divisors (43184471919).

63504366225 is a wasteful number, since it uses less digits than its factorization.

63504366225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28058 (or 28053 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 63504366225 in words is "sixty-three billion, five hundred four million, three hundred sixty-six thousand, two hundred twenty-five".