63567656452 has 24 divisors (see below), whose sum is σ = 111394697400. Its totient is φ = 31740635136.

The previous prime is 63567656447. The next prime is 63567656461. The reversal of 63567656452 is 25465676536.

It can be written as a sum of positive squares in 4 ways, for example, as 30594907396 + 32972749056 = 174914^2 + 181584^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63567656393 and 63567656402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12200824 + ... + 12206032.

It is an arithmetic number, because the mean of its divisors is an integer number (4641445725).

Almost surely, 2^63567656452 is an apocalyptic number.

It is an amenable number.

63567656452 is a deficient number, since it is larger than the sum of its proper divisors (47827040948).

63567656452 is a wasteful number, since it uses less digits than its factorization.

63567656452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8775 (or 8773 counting only the distinct ones).

The product of its digits is 27216000, while the sum is 55.

The spelling of 63567656452 in words is "sixty-three billion, five hundred sixty-seven million, six hundred fifty-six thousand, four hundred fifty-two".