50158228369 has 2 divisors, whose sum is σ = 50158228370. Its totient is φ = 50158228368.

The previous prime is 50158228363. The next prime is 50158228381. The reversal of 50158228369 is 96382285105.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48714228369 + 1444000000 = 220713^2 + 38000^2 .

It is a cyclic number.

It is not a de Polignac number, because 50158228369 - 2¹⁹ = 50157704081 is a prime.

It is a super-2 number, since 2×50158228369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50158228363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25079114184 + 25079114185.

It is an arithmetic number, because the mean of its divisors is an integer number (25079114185).

Almost surely, 2^50158228369 is an apocalyptic number.

It is an amenable number.

50158228369 is a deficient number, since it is larger than the sum of its proper divisors (1).

50158228369 is an equidigital number, since it uses as much as digits as its factorization.

50158228369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 50158228369 in words is "fifty billion, one hundred fifty-eight million, two hundred twenty-eight thousand, three hundred sixty-nine".