63144444912 has 20 divisors (see below), whose sum is σ = 163123149480. Its totient is φ = 21048148288.

The previous prime is 63144444859. The next prime is 63144444919. The reversal of 63144444912 is 21944444136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63144444919) 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, 657754587 + ... + 657754682.

It is an arithmetic number, because the mean of its divisors is an integer number (8156157474).

Almost surely, 2^63144444912 is an apocalyptic number.

It is an amenable number.

63144444912 is an abundant number, since it is smaller than the sum of its proper divisors (99978704568).

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

63144444912 is a wasteful number, since it uses less digits than its factorization.

63144444912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315509280 (or 1315509274 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The spelling of 63144444912 in words is "sixty-three billion, one hundred forty-four million, four hundred forty-four thousand, nine hundred twelve".