266424673 has 2 divisors, whose sum is σ = 266424674. Its totient is φ = 266424672.

The previous prime is 266424611. The next prime is 266424677. The reversal of 266424673 is 376424662.

266424673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253701184 + 12723489 = 15928^2 + 3567^2 .

It is a cyclic number.

It is not a de Polignac number, because 266424673 - 2¹³ = 266416481 is a prime.

It is not a weakly prime, because it can be changed into another prime (266424677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133212336 + 133212337.

It is an arithmetic number, because the mean of its divisors is an integer number (133212337).

Almost surely, 2^266424673 is an apocalyptic number.

It is an amenable number.

266424673 is a deficient number, since it is larger than the sum of its proper divisors (1).

266424673 is an equidigital number, since it uses as much as digits as its factorization.

266424673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 40.

The square root of 266424673 is about 16322.5204242482. The cubic root of 266424673 is about 643.4648288813.

The spelling of 266424673 in words is "two hundred sixty-six million, four hundred twenty-four thousand, six hundred seventy-three".