50205999999 has 4 divisors (see below), whose sum is σ = 66941333336. Its totient is φ = 33470666664.

The previous prime is 50205999917. The next prime is 50206000001. The reversal of 50205999999 is 99999950205.

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

It is not a de Polignac number, because 50205999999 - 2¹⁹ = 50205475711 is a prime.

It is a Duffinian number.

50205999999 is a modest number, since divided by 999999 gives 50205 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50205999199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8367666664 + ... + 8367666669.

It is an arithmetic number, because the mean of its divisors is an integer number (16735333334).

Almost surely, 2^50205999999 is an apocalyptic number.

50205999999 is a deficient number, since it is larger than the sum of its proper divisors (16735333337).

50205999999 is a wasteful number, since it uses less digits than its factorization.

50205999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16735333336.

The product of its (nonzero) digits is 26572050, while the sum is 66.

The spelling of 50205999999 in words is "fifty billion, two hundred five million, nine hundred ninety-nine thousand, nine hundred ninety-nine".