63774734484 has 12 divisors (see below), whose sum is σ = 148807713824. Its totient is φ = 21258244824.

The previous prime is 63774734483. The next prime is 63774734497. The reversal of 63774734484 is 48443747736.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63774734483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2657280592 + ... + 2657280615.

Almost surely, 2^63774734484 is an apocalyptic number.

It is an amenable number.

63774734484 is an abundant number, since it is smaller than the sum of its proper divisors (85032979340).

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

63774734484 is a wasteful number, since it uses less digits than its factorization.

63774734484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314561214 (or 5314561212 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 57.

The spelling of 63774734484 in words is "sixty-three billion, seven hundred seventy-four million, seven hundred thirty-four thousand, four hundred eighty-four".