267966949 has 2 divisors, whose sum is σ = 267966950. Its totient is φ = 267966948.

The previous prime is 267966901. The next prime is 267966953. The reversal of 267966949 is 949669762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256576324 + 11390625 = 16018^2 + 3375^2 .

It is a cyclic number.

It is not a de Polignac number, because 267966949 - 2¹⁹ = 267442661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 267966893 and 267966902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (267966649) 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, 133983474 + 133983475.

It is an arithmetic number, because the mean of its divisors is an integer number (133983475).

Almost surely, 2^267966949 is an apocalyptic number.

It is an amenable number.

267966949 is a deficient number, since it is larger than the sum of its proper divisors (1).

267966949 is an equidigital number, since it uses as much as digits as its factorization.

267966949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8817984, while the sum is 58.

The square root of 267966949 is about 16369.6960570439. The cubic root of 267966949 is about 644.7040679180.

The spelling of 267966949 in words is "two hundred sixty-seven million, nine hundred sixty-six thousand, nine hundred forty-nine".