63531665255234 has 48 divisors (see below), whose sum is σ = 106981568031744. Its totient is φ = 28262444358720.

The previous prime is 63531665255213. The next prime is 63531665255263. The reversal of 63531665255234 is 43255256613536.

63531665255234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×63531665255234³ (a number of 42 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 63531665255234.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 315448214 + ... + 315649550.

It is an arithmetic number, because the mean of its divisors is an integer number (2228782667328).

Almost surely, 2^{63531665255234} is an apocalyptic number.

63531665255234 is a deficient number, since it is larger than the sum of its proper divisors (43449902776510).

63531665255234 is a wasteful number, since it uses less digits than its factorization.

63531665255234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229151 (or 229140 counting only the distinct ones).

The product of its digits is 58320000, while the sum is 56.

The spelling of 63531665255234 in words is "sixty-three trillion, five hundred thirty-one billion, six hundred sixty-five million, two hundred fifty-five thousand, two hundred thirty-four".