50169539779 has 2 divisors, whose sum is σ = 50169539780. Its totient is φ = 50169539778.

The previous prime is 50169539743. The next prime is 50169539789. The reversal of 50169539779 is 97793596105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50169539779 - 2²¹ = 50167442627 is a prime.

It is not a weakly prime, because it can be changed into another prime (50169539789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25084769889 + 25084769890.

It is an arithmetic number, because the mean of its divisors is an integer number (25084769890).

Almost surely, 2^50169539779 is an apocalyptic number.

50169539779 is a deficient number, since it is larger than the sum of its proper divisors (1).

50169539779 is an equidigital number, since it uses as much as digits as its factorization.

50169539779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16074450, while the sum is 61.

The spelling of 50169539779 in words is "fifty billion, one hundred sixty-nine million, five hundred thirty-nine thousand, seven hundred seventy-nine".