63948484871 has 2 divisors, whose sum is σ = 63948484872. Its totient is φ = 63948484870.

The previous prime is 63948484829. The next prime is 63948484909. The reversal of 63948484871 is 17848484936.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63948484871 - 2¹⁰ = 63948483847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63948483871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31974242435 + 31974242436.

It is an arithmetic number, because the mean of its divisors is an integer number (31974242436).

Almost surely, 2^63948484871 is an apocalyptic number.

63948484871 is a deficient number, since it is larger than the sum of its proper divisors (1).

63948484871 is an equidigital number, since it uses as much as digits as its factorization.

63948484871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37158912, while the sum is 62.

The spelling of 63948484871 in words is "sixty-three billion, nine hundred forty-eight million, four hundred eighty-four thousand, eight hundred seventy-one".