63524684420 has 24 divisors (see below), whose sum is σ = 133419922944. Its totient is φ = 25406428896.

The previous prime is 63524684413. The next prime is 63524684459. The reversal of 63524684420 is 2448642536.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 61412 + ... + 361691.

It is an arithmetic number, because the mean of its divisors is an integer number (5559163456).

Almost surely, 2^63524684420 is an apocalyptic number.

It is an amenable number.

63524684420 is an abundant number, since it is smaller than the sum of its proper divisors (69895238524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63524684420 is a wasteful number, since it uses less digits than its factorization.

63524684420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430619 (or 430617 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 63524684420 in words is "sixty-three billion, five hundred twenty-four million, six hundred eighty-four thousand, four hundred twenty".