267279472321 has 2 divisors, whose sum is σ = 267279472322. Its totient is φ = 267279472320.

The previous prime is 267279472307. The next prime is 267279472337. The reversal of 267279472321 is 123274972762.

267279472321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202986291600 + 64293180721 = 450540^2 + 253561^2 .

It is a cyclic number.

It is not a de Polignac number, because 267279472321 - 2⁵ = 267279472289 is a prime.

It is not a weakly prime, because it can be changed into another prime (267279412321) 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, 133639736160 + 133639736161.

It is an arithmetic number, because the mean of its divisors is an integer number (133639736161).

Almost surely, 2^267279472321 is an apocalyptic number.

It is an amenable number.

267279472321 is a deficient number, since it is larger than the sum of its proper divisors (1).

267279472321 is an equidigital number, since it uses as much as digits as its factorization.

267279472321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3556224, while the sum is 52.

It can be divided in two parts, 267279 and 472321, that added together give a square (739600 = 860²).

The spelling of 267279472321 in words is "two hundred sixty-seven billion, two hundred seventy-nine million, four hundred seventy-two thousand, three hundred twenty-one".