63532867512 has 32 divisors (see below), whose sum is σ = 158851864080. Its totient is φ = 21174996480.

The previous prime is 63532867487. The next prime is 63532867513. The reversal of 63532867512 is 21576823536.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63532867513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38562 + ... + 358542.

Almost surely, 2^63532867512 is an apocalyptic number.

It is an amenable number.

63532867512 is an abundant number, since it is smaller than the sum of its proper divisors (95318996568).

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

63532867512 is a wasteful number, since it uses less digits than its factorization.

63532867512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328263 (or 328259 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The spelling of 63532867512 in words is "sixty-three billion, five hundred thirty-two million, eight hundred sixty-seven thousand, five hundred twelve".