63144438952 has 64 divisors (see below), whose sum is σ = 137726121600. Its totient is φ = 26579404800.

The previous prime is 63144438943. The next prime is 63144439009. The reversal of 63144438952 is 25983444136.

It is a junction number, because it is equal to n+sod(n) for n = 63144438896 and 63144438905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3960148 + ... + 3976060.

It is an arithmetic number, because the mean of its divisors is an integer number (2151970650).

Almost surely, 2^63144438952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63144438952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68863060800).

63144438952 is an abundant number, since it is smaller than the sum of its proper divisors (74581682648).

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

63144438952 is a wasteful number, since it uses less digits than its factorization.

63144438952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17186 (or 17182 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The spelling of 63144438952 in words is "sixty-three billion, one hundred forty-four million, four hundred thirty-eight thousand, nine hundred fifty-two".