63654513520441 has 8 divisors (see below), whose sum is σ = 66434579513280. Its totient is φ = 60875487398352.

The previous prime is 63654513520427. The next prime is 63654513520463. The reversal of 63654513520441 is 14402531545636.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63654513520441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63654513520141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259842586 + ... + 260087443.

It is an arithmetic number, because the mean of its divisors is an integer number (8304322439160).

Almost surely, 2^{63654513520441} is an apocalyptic number.

It is an amenable number.

63654513520441 is a deficient number, since it is larger than the sum of its proper divisors (2780065992839).

63654513520441 is a wasteful number, since it uses less digits than its factorization.

63654513520441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519935375.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 63654513520441 in words is "sixty-three trillion, six hundred fifty-four billion, five hundred thirteen million, five hundred twenty thousand, four hundred forty-one".