266034473 has 2 divisors, whose sum is σ = 266034474. Its totient is φ = 266034472.

The previous prime is 266034451. The next prime is 266034539. The reversal of 266034473 is 374430662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185967769 + 80066704 = 13637^2 + 8948^2 .

It is a cyclic number.

It is not a de Polignac number, because 266034473 - 2⁸ = 266034217 is a prime.

It is not a weakly prime, because it can be changed into another prime (266034443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133017236 + 133017237.

It is an arithmetic number, because the mean of its divisors is an integer number (133017237).

Almost surely, 2^266034473 is an apocalyptic number.

It is an amenable number.

266034473 is a deficient number, since it is larger than the sum of its proper divisors (1).

266034473 is an equidigital number, since it uses as much as digits as its factorization.

266034473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 35.

The square root of 266034473 is about 16310.5632336839. The cubic root of 266034473 is about 643.1505403575.

The spelling of 266034473 in words is "two hundred sixty-six million, thirty-four thousand, four hundred seventy-three".