264543234133 has 4 divisors (see below), whose sum is σ = 265292648748. Its totient is φ = 263793819520.

The previous prime is 264543234101. The next prime is 264543234301. The reversal of 264543234133 is 331432345462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52632159889 + 211911074244 = 229417^2 + 460338^2 .

It is a cyclic number.

It is not a de Polignac number, because 264543234133 - 2⁵ = 264543234101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264543234433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374706778 + ... + 374707483.

It is an arithmetic number, because the mean of its divisors is an integer number (66323162187).

Almost surely, 2^264543234133 is an apocalyptic number.

It is an amenable number.

264543234133 is a deficient number, since it is larger than the sum of its proper divisors (749414615).

264543234133 is an equidigital number, since it uses as much as digits as its factorization.

264543234133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749414614.

The product of its digits is 622080, while the sum is 40.

Adding to 264543234133 its reverse (331432345462), we get a palindrome (595975579595).

The spelling of 264543234133 in words is "two hundred sixty-four billion, five hundred forty-three million, two hundred thirty-four thousand, one hundred thirty-three".