50680513169 has 16 divisors (see below), whose sum is σ = 63043142400. Its totient is φ = 40027388160.

The previous prime is 50680513127. The next prime is 50680513181. The reversal of 50680513169 is 96131508605.

It is a cyclic number.

It is not a de Polignac number, because 50680513169 - 2¹² = 50680509073 is a prime.

It is a super-2 number, since 2×50680513169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50680513109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10421369 + ... + 10426230.

It is an arithmetic number, because the mean of its divisors is an integer number (3940196400).

Almost surely, 2^50680513169 is an apocalyptic number.

It is an amenable number.

50680513169 is a deficient number, since it is larger than the sum of its proper divisors (12362629231).

50680513169 is a wasteful number, since it uses less digits than its factorization.

50680513169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20847640.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 50680513169 in words is "fifty billion, six hundred eighty million, five hundred thirteen thousand, one hundred sixty-nine".