50009933838864 has 160 divisors (see below), whose sum is σ = 131717669529600. Its totient is φ = 16347352919040.

The previous prime is 50009933838863. The next prime is 50009933838881. The reversal of 50009933838864 is 46883833990005.

It is a junction number, because it is equal to n+sod(n) for n = 50009933838795 and 50009933838804.

It is not an unprimeable number, because it can be changed into a prime (50009933838863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 997798797 + ... + 997848915.

It is an arithmetic number, because the mean of its divisors is an integer number (823235434560).

Almost surely, 2^{50009933838864} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50009933838864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65858834764800).

50009933838864 is an abundant number, since it is smaller than the sum of its proper divisors (81707735690736).

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

50009933838864 is a wasteful number, since it uses less digits than its factorization.

50009933838864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52133 (or 52127 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 66.

The spelling of 50009933838864 in words is "fifty trillion, nine billion, nine hundred thirty-three million, eight hundred thirty-eight thousand, eight hundred sixty-four".