63505442883 has 8 divisors (see below), whose sum is σ = 84835826368. Its totient is φ = 42256010664.

The previous prime is 63505442857. The next prime is 63505442909. The reversal of 63505442883 is 38824450536.

It is an interprime number because it is at equal distance from previous prime (63505442857) and next prime (63505442909).

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

It is not a de Polignac number, because 63505442883 - 2¹⁷ = 63505311811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63505442183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20235985 + ... + 20239122.

It is an arithmetic number, because the mean of its divisors is an integer number (10604478296).

Almost surely, 2^63505442883 is an apocalyptic number.

63505442883 is a deficient number, since it is larger than the sum of its proper divisors (21330383485).

63505442883 is a wasteful number, since it uses less digits than its factorization.

63505442883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40475633.

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 63505442883 in words is "sixty-three billion, five hundred five million, four hundred forty-two thousand, eight hundred eighty-three".