63444753448 has 16 divisors (see below), whose sum is σ = 118971588960. Its totient is φ = 31718996400.

The previous prime is 63444753439. The next prime is 63444753461. The reversal of 63444753448 is 84435744436.

It is a junction number, because it is equal to n+sod(n) for n = 63444753395 and 63444753404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341868 + ... + 493723.

It is an arithmetic number, because the mean of its divisors is an integer number (7435724310).

Almost surely, 2^63444753448 is an apocalyptic number.

It is an amenable number.

63444753448 is a deficient number, since it is larger than the sum of its proper divisors (55526835512).

63444753448 is a wasteful number, since it uses less digits than its factorization.

63444753448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845088 (or 845084 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 52.

The spelling of 63444753448 in words is "sixty-three billion, four hundred forty-four million, seven hundred fifty-three thousand, four hundred forty-eight".