63654336396 has 36 divisors (see below), whose sum is σ = 183890305872. Its totient is φ = 18186953184.

The previous prime is 63654336367. The next prime is 63654336409. The reversal of 63654336396 is 69363345636.

It is a happy number.

63654336396 is a `hidden beast` number, since 6 + 3 + 6 + 543 + 3 + 6 + 3 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126298035 + ... + 126298538.

It is an arithmetic number, because the mean of its divisors is an integer number (5108064052).

Almost surely, 2^63654336396 is an apocalyptic number.

It is an amenable number.

63654336396 is an abundant number, since it is smaller than the sum of its proper divisors (120235969476).

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

63654336396 is a wasteful number, since it uses less digits than its factorization.

63654336396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252596590 (or 252596585 counting only the distinct ones).

The product of its digits is 18895680, while the sum is 54.

The spelling of 63654336396 in words is "sixty-three billion, six hundred fifty-four million, three hundred thirty-six thousand, three hundred ninety-six".