50165135773 has 2 divisors, whose sum is σ = 50165135774. Its totient is φ = 50165135772.

The previous prime is 50165135767. The next prime is 50165135789. The reversal of 50165135773 is 37753156105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35237672089 + 14927463684 = 187717^2 + 122178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50165135773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50165135753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25082567886 + 25082567887.

It is an arithmetic number, because the mean of its divisors is an integer number (25082567887).

Almost surely, 2^50165135773 is an apocalyptic number.

It is an amenable number.

50165135773 is a deficient number, since it is larger than the sum of its proper divisors (1).

50165135773 is an equidigital number, since it uses as much as digits as its factorization.

50165135773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 330750, while the sum is 43.

The spelling of 50165135773 in words is "fifty billion, one hundred sixty-five million, one hundred thirty-five thousand, seven hundred seventy-three".