63401730568 has 32 divisors (see below), whose sum is σ = 130357337760. Its totient is φ = 28669639680.

The previous prime is 63401730547. The next prime is 63401730583. The reversal of 63401730568 is 86503710436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1849530 + ... + 1883497.

It is an arithmetic number, because the mean of its divisors is an integer number (4073666805).

Almost surely, 2^63401730568 is an apocalyptic number.

It is an amenable number.

63401730568 is an abundant number, since it is smaller than the sum of its proper divisors (66955607192).

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

63401730568 is a wasteful number, since it uses less digits than its factorization.

63401730568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733237 (or 3733233 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 63401730568 in words is "sixty-three billion, four hundred one million, seven hundred thirty thousand, five hundred sixty-eight".