264563173313 has 2 divisors, whose sum is σ = 264563173314. Its totient is φ = 264563173312.

The previous prime is 264563173271. The next prime is 264563173333. The reversal of 264563173313 is 313371365462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150134550784 + 114428622529 = 387472^2 + 338273^2 .

It is a cyclic number.

It is not a de Polignac number, because 264563173313 - 2¹² = 264563169217 is a prime.

It is not a weakly prime, because it can be changed into another prime (264563173333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132281586656 + 132281586657.

It is an arithmetic number, because the mean of its divisors is an integer number (132281586657).

Almost surely, 2^264563173313 is an apocalyptic number.

It is an amenable number.

264563173313 is a deficient number, since it is larger than the sum of its proper divisors (1).

264563173313 is an equidigital number, since it uses as much as digits as its factorization.

264563173313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 44.

The spelling of 264563173313 in words is "two hundred sixty-four billion, five hundred sixty-three million, one hundred seventy-three thousand, three hundred thirteen".