50000050013 has 4 divisors (see below), whose sum is σ = 50004496668. Its totient is φ = 49995603360.

The previous prime is 50000049989. The next prime is 50000050019. The reversal of 50000050013 is 31005000005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36161586244 + 13838463769 = 190162^2 + 117637^2 .

It is a cyclic number.

It is not a de Polignac number, because 50000050013 - 2⁶ = 50000049949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50000050013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000050019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2206418 + ... + 2228963.

It is an arithmetic number, because the mean of its divisors is an integer number (12501124167).

Almost surely, 2^50000050013 is an apocalyptic number.

It is an amenable number.

50000050013 is a deficient number, since it is larger than the sum of its proper divisors (4446655).

50000050013 is a wasteful number, since it uses less digits than its factorization.

50000050013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446654.

The product of its (nonzero) digits is 75, while the sum is 14.

Adding to 50000050013 its reverse (31005000005), we get a palindrome (81005050018).

The spelling of 50000050013 in words is "fifty billion, fifty thousand, thirteen".