267260780263 has 2 divisors, whose sum is σ = 267260780264. Its totient is φ = 267260780262.

The previous prime is 267260780203. The next prime is 267260780317. The reversal of 267260780263 is 362087062762.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-267260780263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (267260780203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133630390131 + 133630390132.

It is an arithmetic number, because the mean of its divisors is an integer number (133630390132).

Almost surely, 2^267260780263 is an apocalyptic number.

267260780263 is a deficient number, since it is larger than the sum of its proper divisors (1).

267260780263 is an equidigital number, since it uses as much as digits as its factorization.

267260780263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 267260780263 in words is "two hundred sixty-seven billion, two hundred sixty million, seven hundred eighty thousand, two hundred sixty-three".