63512458460 has 24 divisors (see below), whose sum is σ = 145501268976. Its totient is φ = 23095439360.

The previous prime is 63512458403. The next prime is 63512458463. The reversal of 63512458460 is 6485421536.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63512458463) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 144346277 + ... + 144346716.

It is an arithmetic number, because the mean of its divisors is an integer number (6062552874).

Almost surely, 2^63512458460 is an apocalyptic number.

It is an amenable number.

63512458460 is an abundant number, since it is smaller than the sum of its proper divisors (81988810516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63512458460 is a wasteful number, since it uses less digits than its factorization.

63512458460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288693013 (or 288693011 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

Adding to 63512458460 its reverse (6485421536), we get a palindrome (69997879996).

The spelling of 63512458460 in words is "sixty-three billion, five hundred twelve million, four hundred fifty-eight thousand, four hundred sixty".