63745050920 has 32 divisors (see below), whose sum is σ = 150975122400. Its totient is φ = 24156019008.

The previous prime is 63745050851. The next prime is 63745050923. The reversal of 63745050920 is 2905054736.

It is not an unprimeable number, because it can be changed into a prime (63745050923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41936774 + ... + 41938293.

It is an arithmetic number, because the mean of its divisors is an integer number (4717972575).

Almost surely, 2^63745050920 is an apocalyptic number.

It is an amenable number.

63745050920 is an abundant number, since it is smaller than the sum of its proper divisors (87230071480).

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

63745050920 is a wasteful number, since it uses less digits than its factorization.

63745050920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83875097 (or 83875093 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 63745050920 in words is "sixty-three billion, seven hundred forty-five million, fifty thousand, nine hundred twenty".