63648851040615 has 8 divisors (see below), whose sum is σ = 101838161665008. Its totient is φ = 33946053888320.

The previous prime is 63648851040521. The next prime is 63648851040637. The reversal of 63648851040615 is 51604015884636.

It is a happy number.

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

It is not a de Polignac number, because 63648851040615 - 2²³ = 63648842652007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121628368006 + ... + 2121628368035.

It is an arithmetic number, because the mean of its divisors is an integer number (12729770208126).

Almost surely, 2^{63648851040615} is an apocalyptic number.

63648851040615 is a deficient number, since it is larger than the sum of its proper divisors (38189310624393).

63648851040615 is a wasteful number, since it uses less digits than its factorization.

63648851040615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243256736049.

The product of its (nonzero) digits is 16588800, while the sum is 57.

The spelling of 63648851040615 in words is "sixty-three trillion, six hundred forty-eight billion, eight hundred fifty-one million, forty thousand, six hundred fifteen".