63654441320654 has 32 divisors (see below), whose sum is σ = 96403491878400. Its totient is φ = 31521604234720.

The previous prime is 63654441320641. The next prime is 63654441320677. The reversal of 63654441320654 is 45602314445636.

It is a junction number, because it is equal to n+sod(n) for n = 63654441320596 and 63654441320605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102121319 + ... + 102742749.

It is an arithmetic number, because the mean of its divisors is an integer number (3012609121200).

Almost surely, 2^{63654441320654} is an apocalyptic number.

63654441320654 is a deficient number, since it is larger than the sum of its proper divisors (32749050557746).

63654441320654 is a wasteful number, since it uses less digits than its factorization.

63654441320654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622768.

The product of its (nonzero) digits is 24883200, while the sum is 53.

The spelling of 63654441320654 in words is "sixty-three trillion, six hundred fifty-four billion, four hundred forty-one million, three hundred twenty thousand, six hundred fifty-four".