63534406976 has 28 divisors (see below), whose sum is σ = 126427321440. Its totient is φ = 31678704000.

The previous prime is 63534406939. The next prime is 63534406979. The reversal of 63534406976 is 67960443536.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63534406979) 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, 1359650 + ... + 1405601.

It is an arithmetic number, because the mean of its divisors is an integer number (4515261480).

Almost surely, 2^63534406976 is an apocalyptic number.

It is an amenable number.

63534406976 is a deficient number, since it is larger than the sum of its proper divisors (62892914464).

63534406976 is a wasteful number, since it uses less digits than its factorization.

63534406976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765622 (or 2765612 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 53.

The spelling of 63534406976 in words is "sixty-three billion, five hundred thirty-four million, four hundred six thousand, nine hundred seventy-six".