264334213265 has 4 divisors (see below), whose sum is σ = 317201055924. Its totient is φ = 211467370608.

The previous prime is 264334213243. The next prime is 264334213291. The reversal of 264334213265 is 562312433462.

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 57448419856 + 206885793409 = 239684^2 + 454847^2 .

It is a cyclic number.

It is not a de Polignac number, because 264334213265 - 2⁸ = 264334213009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26433421322 + ... + 26433421331.

It is an arithmetic number, because the mean of its divisors is an integer number (79300263981).

Almost surely, 2^264334213265 is an apocalyptic number.

It is an amenable number.

264334213265 is a deficient number, since it is larger than the sum of its proper divisors (52866842659).

264334213265 is an equidigital number, since it uses as much as digits as its factorization.

264334213265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52866842658.

The product of its digits is 622080, while the sum is 41.

The spelling of 264334213265 in words is "two hundred sixty-four billion, three hundred thirty-four million, two hundred thirteen thousand, two hundred sixty-five".