63543063950 has 12 divisors (see below), whose sum is σ = 118190099040. Its totient is φ = 25417225560.

The previous prime is 63543063937. The next prime is 63543063971. The reversal of 63543063950 is 5936034536.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 635430590 + ... + 635430689.

It is an arithmetic number, because the mean of its divisors is an integer number (9849174920).

Almost surely, 2^63543063950 is an apocalyptic number.

63543063950 is a deficient number, since it is larger than the sum of its proper divisors (54647035090).

63543063950 is a wasteful number, since it uses less digits than its factorization.

63543063950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270861291 (or 1270861286 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 44.

The spelling of 63543063950 in words is "sixty-three billion, five hundred forty-three million, sixty-three thousand, nine hundred fifty".