264466661246089 has 2 divisors, whose sum is σ = 264466661246090. Its totient is φ = 264466661246088.

The previous prime is 264466661246017. The next prime is 264466661246129. The reversal of 264466661246089 is 980642166664462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179363877582400 + 85102783663689 = 13392680^2 + 9225117^2 .

It is a cyclic number.

It is not a de Polignac number, because 264466661246089 - 2¹¹ = 264466661244041 is a prime.

It is a super-2 number, since 2×264466661246089² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264466661246189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132233330623044 + 132233330623045.

It is an arithmetic number, because the mean of its divisors is an integer number (132233330623045).

Almost surely, 2^{264466661246089} is an apocalyptic number.

It is an amenable number.

264466661246089 is a deficient number, since it is larger than the sum of its proper divisors (1).

264466661246089 is an equidigital number, since it uses as much as digits as its factorization.

264466661246089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 859963392, while the sum is 70.

The spelling of 264466661246089 in words is "two hundred sixty-four trillion, four hundred sixty-six billion, six hundred sixty-one million, two hundred forty-six thousand, eighty-nine".