63317840475 has 24 divisors (see below), whose sum is σ = 104750278192. Its totient is φ = 33748617600.

The previous prime is 63317840447. The next prime is 63317840513. The reversal of 63317840475 is 57404871336.

It is not a de Polignac number, because 63317840475 - 2⁸ = 63317840219 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138832 + ... + 381981.

Almost surely, 2^63317840475 is an apocalyptic number.

63317840475 is a deficient number, since it is larger than the sum of its proper divisors (41432437717).

63317840475 is a wasteful number, since it uses less digits than its factorization.

63317840475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522447 (or 522442 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 63317840475 in words is "sixty-three billion, three hundred seventeen million, eight hundred forty thousand, four hundred seventy-five".