264335106560243 has 2 divisors, whose sum is σ = 264335106560244. Its totient is φ = 264335106560242.

The previous prime is 264335106560237. The next prime is 264335106560311. The reversal of 264335106560243 is 342065601533462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264335106560243 - 2¹⁰ = 264335106559219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264335106560191 and 264335106560200.

It is not a weakly prime, because it can be changed into another prime (264335106560233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132167553280121 + 132167553280122.

It is an arithmetic number, because the mean of its divisors is an integer number (132167553280122).

Almost surely, 2^{264335106560243} is an apocalyptic number.

264335106560243 is a deficient number, since it is larger than the sum of its proper divisors (1).

264335106560243 is an equidigital number, since it uses as much as digits as its factorization.

264335106560243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 264335106560243 in words is "two hundred sixty-four trillion, three hundred thirty-five billion, one hundred six million, five hundred sixty thousand, two hundred forty-three".