63641248012 has 12 divisors (see below), whose sum is σ = 111387447976. Its totient is φ = 31816262880.

The previous prime is 63641247961. The next prime is 63641248051. The reversal of 63641248012 is 21084214636.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057338 + ... + 1115905.

Almost surely, 2^63641248012 is an apocalyptic number.

It is an amenable number.

63641248012 is a deficient number, since it is larger than the sum of its proper divisors (47746199964).

63641248012 is a wasteful number, since it uses less digits than its factorization.

63641248012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180568 (or 2180566 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 63641248012 in words is "sixty-three billion, six hundred forty-one million, two hundred forty-eight thousand, twelve".