63530590812 has 48 divisors (see below), whose sum is σ = 165145844640. Its totient is φ = 18873808128.

The previous prime is 63530590811. The next prime is 63530590831. The reversal of 63530590812 is 21809503536.

It is a super-2 number, since 2×63530590812² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63530590811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7016983 + ... + 7026030.

It is an arithmetic number, because the mean of its divisors is an integer number (3440538430).

Almost surely, 2^63530590812 is an apocalyptic number.

It is an amenable number.

63530590812 is an abundant number, since it is smaller than the sum of its proper divisors (101615253828).

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

63530590812 is a wasteful number, since it uses less digits than its factorization.

63530590812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14043062 (or 14043060 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 63530590812 in words is "sixty-three billion, five hundred thirty million, five hundred ninety thousand, eight hundred twelve".