50605061009 has 2 divisors, whose sum is σ = 50605061010. Its totient is φ = 50605061008.

The previous prime is 50605060991. The next prime is 50605061029. The reversal of 50605061009 is 90016050605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50412822784 + 192238225 = 224528^2 + 13865^2 .

It is a cyclic number.

It is not a de Polignac number, because 50605061009 - 2¹² = 50605056913 is a prime.

It is a super-2 number, since 2×50605061009² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50605061029) 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 as a sum of consecutive naturals, namely, 25302530504 + 25302530505.

It is an arithmetic number, because the mean of its divisors is an integer number (25302530505).

Almost surely, 2^50605061009 is an apocalyptic number.

It is an amenable number.

50605061009 is a deficient number, since it is larger than the sum of its proper divisors (1).

50605061009 is an equidigital number, since it uses as much as digits as its factorization.

50605061009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 50605061009 in words is "fifty billion, six hundred five million, sixty-one thousand, nine".