63528562428 has 12 divisors (see below), whose sum is σ = 148233312360. Its totient is φ = 21176187472.

The previous prime is 63528562421. The next prime is 63528562451. The reversal of 63528562428 is 82426582536.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63528562421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2647023423 + ... + 2647023446.

It is an arithmetic number, because the mean of its divisors is an integer number (12352776030).

Almost surely, 2^63528562428 is an apocalyptic number.

It is an amenable number.

63528562428 is an abundant number, since it is smaller than the sum of its proper divisors (84704749932).

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

63528562428 is a wasteful number, since it uses less digits than its factorization.

63528562428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294046876 (or 5294046874 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 51.

The spelling of 63528562428 in words is "sixty-three billion, five hundred twenty-eight million, five hundred sixty-two thousand, four hundred twenty-eight".