50681728662 has 8 divisors (see below), whose sum is σ = 101363457336. Its totient is φ = 16893909552.

The previous prime is 50681728639. The next prime is 50681728673. The reversal of 50681728662 is 26682718605.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

50681728662 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4223477383 + ... + 4223477394.

It is an arithmetic number, because the mean of its divisors is an integer number (12670432167).

Almost surely, 2^50681728662 is an apocalyptic number.

50681728662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

50681728662 is a wasteful number, since it uses less digits than its factorization.

50681728662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8446954782.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 50681728662 in words is "fifty billion, six hundred eighty-one million, seven hundred twenty-eight thousand, six hundred sixty-two".