63698206912 has 28 divisors (see below), whose sum is σ = 126812898520. Its totient is φ = 31745350656.

The previous prime is 63698206903. The next prime is 63698206919. The reversal of 63698206912 is 21960289636.

It is a self number, because there is not a number n which added to its sum of digits gives 63698206912.

It is not an unprimeable number, because it can be changed into a prime (63698206919) 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, 1601337 + ... + 1640632.

It is an arithmetic number, because the mean of its divisors is an integer number (4529032090).

Almost surely, 2^63698206912 is an apocalyptic number.

It is an amenable number.

63698206912 is a deficient number, since it is larger than the sum of its proper divisors (63114691608).

63698206912 is a wasteful number, since it uses less digits than its factorization.

63698206912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242288 (or 3242278 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 63698206912 in words is "sixty-three billion, six hundred ninety-eight million, two hundred six thousand, nine hundred twelve".