63654280804 has 27 divisors (see below), whose sum is σ = 112598983371. Its totient is φ = 31486790400.

The previous prime is 63654280799. The next prime is 63654280813. The reversal of 63654280804 is 40808245636.

The square root of 63654280804 is 252298.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 14352519204 + 49301761600 = 119802^2 + 222040^2 .

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 50963572 + ... + 50964820.

Almost surely, 2^63654280804 is an apocalyptic number.

63654280804 is the 252298-th square number.

It is an amenable number.

63654280804 is a deficient number, since it is larger than the sum of its proper divisors (48944702567).

63654280804 is an equidigital number, since it uses as much as digits as its factorization.

63654280804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704 (or 1352 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 63654280804 in words is "sixty-three billion, six hundred fifty-four million, two hundred eighty thousand, eight hundred four".