63313257663 has 32 divisors (see below), whose sum is σ = 96020334080. Its totient is φ = 41209378560.

The previous prime is 63313257653. The next prime is 63313257671. The reversal of 63313257663 is 36675231336.

63313257663 is a `hidden beast` number, since 6 + 3 + 3 + 13 + 2 + 576 + 63 = 666.

It is not a de Polignac number, because 63313257663 - 2¹⁶ = 63313192127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63313257643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2999958 + ... + 3020988.

It is an arithmetic number, because the mean of its divisors is an integer number (3000635440).

Almost surely, 2^63313257663 is an apocalyptic number.

63313257663 is a deficient number, since it is larger than the sum of its proper divisors (32707076417).

63313257663 is a wasteful number, since it uses less digits than its factorization.

63313257663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23676 (or 23670 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 45.

Adding to 63313257663 its reverse (36675231336), we get a palindrome (99988488999).

The spelling of 63313257663 in words is "sixty-three billion, three hundred thirteen million, two hundred fifty-seven thousand, six hundred sixty-three".