50189786966 has 64 divisors (see below), whose sum is σ = 86280837120. Its totient is φ = 21688128000.

The previous prime is 50189786957. The next prime is 50189786981. The reversal of 50189786966 is 66968798105.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19235870 + ... + 19238478.

It is an arithmetic number, because the mean of its divisors is an integer number (1348138080).

Almost surely, 2^50189786966 is an apocalyptic number.

50189786966 is a deficient number, since it is larger than the sum of its proper divisors (36091050154).

50189786966 is a wasteful number, since it uses less digits than its factorization.

50189786966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141.

The product of its (nonzero) digits is 39191040, while the sum is 65.

The spelling of 50189786966 in words is "fifty billion, one hundred eighty-nine million, seven hundred eighty-six thousand, nine hundred sixty-six".