50026563021209 has 2 divisors, whose sum is σ = 50026563021210. Its totient is φ = 50026563021208.

The previous prime is 50026563021187. The next prime is 50026563021221. The reversal of 50026563021209 is 90212036562005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34252599015184 + 15773964006025 = 5852572^2 + 3971645^2 .

It is a cyclic number.

It is not a de Polignac number, because 50026563021209 - 2³² = 50022268053913 is a prime.

It is not a weakly prime, because it can be changed into another prime (50026563011209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25013281510604 + 25013281510605.

It is an arithmetic number, because the mean of its divisors is an integer number (25013281510605).

Almost surely, 2^{50026563021209} is an apocalyptic number.

It is an amenable number.

50026563021209 is a deficient number, since it is larger than the sum of its proper divisors (1).

50026563021209 is an equidigital number, since it uses as much as digits as its factorization.

50026563021209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 50026563021209 in words is "fifty trillion, twenty-six billion, five hundred sixty-three million, twenty-one thousand, two hundred nine".