63793216613 has 16 divisors (see below), whose sum is σ = 73240227840. Its totient is φ = 54430110000.

The previous prime is 63793216579. The next prime is 63793216631. The reversal of 63793216613 is 31661239736.

It is not a de Polignac number, because 63793216613 - 2¹⁶ = 63793151077 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63793216013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1615418 + ... + 1654436.

It is an arithmetic number, because the mean of its divisors is an integer number (4577514240).

Almost surely, 2^63793216613 is an apocalyptic number.

It is an amenable number.

63793216613 is a deficient number, since it is larger than the sum of its proper divisors (9447011227).

63793216613 is a wasteful number, since it uses less digits than its factorization.

63793216613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40088.

The product of its digits is 734832, while the sum is 47.

The spelling of 63793216613 in words is "sixty-three billion, seven hundred ninety-three million, two hundred sixteen thousand, six hundred thirteen".