50218419709 has 8 divisors (see below), whose sum is σ = 51303131352. Its totient is φ = 49138789440.

The previous prime is 50218419707. The next prime is 50218419731. The reversal of 50218419709 is 90791481205.

50218419709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7308540100 + 42909879609 = 85490^2 + 207147^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 50218419709 - 2¹ = 50218419707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50218419707) 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, 1250362 + ... + 1289899.

It is an arithmetic number, because the mean of its divisors is an integer number (6412891419).

Almost surely, 2^50218419709 is an apocalyptic number.

It is an amenable number.

50218419709 is a deficient number, since it is larger than the sum of its proper divisors (1084711643).

50218419709 is a wasteful number, since it uses less digits than its factorization.

50218419709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540687.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 50218419709 in words is "fifty billion, two hundred eighteen million, four hundred nineteen thousand, seven hundred nine".