267040069 has 2 divisors, whose sum is σ = 267040070. Its totient is φ = 267040068.

The previous prime is 267040049. The next prime is 267040087. The reversal of 267040069 is 960040762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137945025 + 129095044 = 11745^2 + 11362^2 .

It is a cyclic number.

It is not a de Polignac number, because 267040069 - 2⁹ = 267039557 is a prime.

It is a super-2 number, since 2×267040069² = 142620796903049522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (267040009) 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, 133520034 + 133520035.

It is an arithmetic number, because the mean of its divisors is an integer number (133520035).

Almost surely, 2^267040069 is an apocalyptic number.

It is an amenable number.

267040069 is a deficient number, since it is larger than the sum of its proper divisors (1).

267040069 is an equidigital number, since it uses as much as digits as its factorization.

267040069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 267040069 is about 16341.3606838598. The cubic root of 267040069 is about 643.9598796103.

The spelling of 267040069 in words is "two hundred sixty-seven million, forty thousand, sixty-nine".