50109869 has 2 divisors, whose sum is σ = 50109870. Its totient is φ = 50109868.

The previous prime is 50109841. The next prime is 50109881. The reversal of 50109869 is 96890105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48135844 + 1974025 = 6938^2 + 1405^2 .

It is a cyclic number.

It is not a de Polignac number, because 50109869 - 2¹² = 50105773 is a prime.

It is a super-2 number, since 2×50109869² = 5021997942394322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50109889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25054934 + 25054935.

It is an arithmetic number, because the mean of its divisors is an integer number (25054935).

Almost surely, 2^50109869 is an apocalyptic number.

It is an amenable number.

50109869 is a deficient number, since it is larger than the sum of its proper divisors (1).

50109869 is an equidigital number, since it uses as much as digits as its factorization.

50109869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 50109869 is about 7078.8324602296. The cubic root of 50109869 is about 368.6727930287.

The spelling of 50109869 in words is "fifty million, one hundred nine thousand, eight hundred sixty-nine".