63483135851520 has 2464 divisors, whose sum is σ = 287612645930496. Its totient is φ = 13060694016000.

The previous prime is 63483135851491. The next prime is 63483135851567. The reversal of 63483135851520 is 2515853138436.

63483135851520 is a `hidden beast` number, since 6 + 3 + 4 + 8 + 3 + 1 + 3 + 585 + 1 + 52 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2464).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 628545899470 + ... + 628545899570.

Almost surely, 2^{63483135851520} is an apocalyptic number.

63483135851520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63483135851520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143806322965248).

63483135851520 is an abundant number, since it is smaller than the sum of its proper divisors (224129510078976).

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

63483135851520 is an frugal number, since it uses more digits than its factorization.

63483135851520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 54.

Adding to 63483135851520 its reverse (2515853138436), we get a palindrome (65998988989956).

The spelling of 63483135851520 in words is "sixty-three trillion, four hundred eighty-three billion, one hundred thirty-five million, eight hundred fifty-one thousand, five hundred twenty".