266050019 has 2 divisors, whose sum is σ = 266050020. Its totient is φ = 266050018.

The previous prime is 266050013. The next prime is 266050049. The reversal of 266050019 is 910050662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266050019 - 2¹⁶ = 265984483 is a prime.

It is a super-2 number, since 2×266050019² = 141565225219800722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 266049973 and 266050000.

It is not a weakly prime, because it can be changed into another prime (266050013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133025009 + 133025010.

It is an arithmetic number, because the mean of its divisors is an integer number (133025010).

Almost surely, 2^266050019 is an apocalyptic number.

266050019 is a deficient number, since it is larger than the sum of its proper divisors (1).

266050019 is an equidigital number, since it uses as much as digits as its factorization.

266050019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 266050019 is about 16311.0397890509. The cubic root of 266050019 is about 643.1630678362.

The spelling of 266050019 in words is "two hundred sixty-six million, fifty thousand, nineteen".