63503463225 has 24 divisors (see below), whose sum is σ = 106471167552. Its totient is φ = 33391489600.

The previous prime is 63503463211. The next prime is 63503463227. The reversal of 63503463225 is 52236430536.

It is not a de Polignac number, because 63503463225 - 2⁵ = 63503463193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63503463227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5957442 + ... + 5968091.

It is an arithmetic number, because the mean of its divisors is an integer number (4436298648).

Almost surely, 2^63503463225 is an apocalyptic number.

It is an amenable number.

63503463225 is a deficient number, since it is larger than the sum of its proper divisors (42967704327).

63503463225 is a wasteful number, since it uses less digits than its factorization.

63503463225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11925617 (or 11925612 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 39.

The spelling of 63503463225 in words is "sixty-three billion, five hundred three million, four hundred sixty-three thousand, two hundred twenty-five".