63265044648 has 128 divisors (see below), whose sum is σ = 179882841600. Its totient is φ = 18381033216.

The previous prime is 63265044617. The next prime is 63265044649. The reversal of 63265044648 is 84644056236.

It is a junction number, because it is equal to n+sod(n) for n = 63265044597 and 63265044606.

It is not an unprimeable number, because it can be changed into a prime (63265044649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1802515 + ... + 1837277.

It is an arithmetic number, because the mean of its divisors is an integer number (1405334700).

Almost surely, 2^63265044648 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 63265044648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89941420800).

63265044648 is an abundant number, since it is smaller than the sum of its proper divisors (116617796952).

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

63265044648 is a wasteful number, since it uses less digits than its factorization.

63265044648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35111 (or 35107 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 63265044648 in words is "sixty-three billion, two hundred sixty-five million, forty-four thousand, six hundred forty-eight".