63631334512 has 10 divisors (see below), whose sum is σ = 123285710648. Its totient is φ = 31815667248.

The previous prime is 63631334479. The next prime is 63631334519. The reversal of 63631334512 is 21543313636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63631334519) by changing a digit.

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 as a sum of consecutive naturals, namely, 1988479188 + ... + 1988479219.

Almost surely, 2^63631334512 is an apocalyptic number.

It is an amenable number.

63631334512 is a deficient number, since it is larger than the sum of its proper divisors (59654376136).

63631334512 is a wasteful number, since it uses less digits than its factorization.

63631334512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3976958415 (or 3976958409 counting only the distinct ones).

The product of its digits is 116640, while the sum is 37.

The spelling of 63631334512 in words is "sixty-three billion, six hundred thirty-one million, three hundred thirty-four thousand, five hundred twelve".