267248067949 has 2 divisors, whose sum is σ = 267248067950. Its totient is φ = 267248067948.

The previous prime is 267248067923. The next prime is 267248068033. The reversal of 267248067949 is 949760842762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253381356900 + 13866711049 = 503370^2 + 117757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-267248067949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (267248767949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133624033974 + 133624033975.

It is an arithmetic number, because the mean of its divisors is an integer number (133624033975).

Almost surely, 2^267248067949 is an apocalyptic number.

It is an amenable number.

267248067949 is a deficient number, since it is larger than the sum of its proper divisors (1).

267248067949 is an equidigital number, since it uses as much as digits as its factorization.

267248067949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73156608, while the sum is 64.

The spelling of 267248067949 in words is "two hundred sixty-seven billion, two hundred forty-eight million, sixty-seven thousand, nine hundred forty-nine".