50042345189 has 2 divisors, whose sum is σ = 50042345190. Its totient is φ = 50042345188.

The previous prime is 50042345159. The next prime is 50042345207. The reversal of 50042345189 is 98154324005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42580322500 + 7462022689 = 206350^2 + 86383^2 .

It is a cyclic number.

It is not a de Polignac number, because 50042345189 - 2¹² = 50042341093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50042345159) 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, 25021172594 + 25021172595.

It is an arithmetic number, because the mean of its divisors is an integer number (25021172595).

Almost surely, 2^50042345189 is an apocalyptic number.

It is an amenable number.

50042345189 is a deficient number, since it is larger than the sum of its proper divisors (1).

50042345189 is an equidigital number, since it uses as much as digits as its factorization.

50042345189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 50042345189 in words is "fifty billion, forty-two million, three hundred forty-five thousand, one hundred eighty-nine".