63335384520 has 64 divisors (see below), whose sum is σ = 196135395840. Its totient is φ = 16344614400.

The previous prime is 63335384473. The next prime is 63335384561. The reversal of 63335384520 is 2548353336.

It is a super-2 number, since 2×63335384520² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8509101 + ... + 8516540.

It is an arithmetic number, because the mean of its divisors is an integer number (3064615560).

Almost surely, 2^63335384520 is an apocalyptic number.

63335384520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63335384520 is an abundant number, since it is smaller than the sum of its proper divisors (132800011320).

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

63335384520 is a wasteful number, since it uses less digits than its factorization.

63335384520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17025686 (or 17025682 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 63335384520 in words is "sixty-three billion, three hundred thirty-five million, three hundred eighty-four thousand, five hundred twenty".