63444753404 has 12 divisors (see below), whose sum is σ = 111031997664. Its totient is φ = 31721325504.

The previous prime is 63444753391. The next prime is 63444753409. The reversal of 63444753404 is 40435744436.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63444753409) 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, 118157 + ... + 375300.

It is an arithmetic number, because the mean of its divisors is an integer number (9252666472).

Almost surely, 2^63444753404 is an apocalyptic number.

It is an amenable number.

63444753404 is a deficient number, since it is larger than the sum of its proper divisors (47587244260).

63444753404 is a wasteful number, since it uses less digits than its factorization.

63444753404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525604 (or 525602 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 44.

The spelling of 63444753404 in words is "sixty-three billion, four hundred forty-four million, seven hundred fifty-three thousand, four hundred four".