264541734263 has 4 divisors (see below), whose sum is σ = 264552997200. Its totient is φ = 264530471328.

The previous prime is 264541734251. The next prime is 264541734277. The reversal of 264541734263 is 362437145462.

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

It is a cyclic number.

It is not a de Polignac number, because 264541734263 - 2²⁰ = 264540685687 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 (264541733263) 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, 5596163 + ... + 5643236.

It is an arithmetic number, because the mean of its divisors is an integer number (66138249300).

Almost surely, 2^264541734263 is an apocalyptic number.

264541734263 is a deficient number, since it is larger than the sum of its proper divisors (11262937).

264541734263 is a wasteful number, since it uses less digits than its factorization.

264541734263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11262936.

The product of its digits is 2903040, while the sum is 47.

The spelling of 264541734263 in words is "two hundred sixty-four billion, five hundred forty-one million, seven hundred thirty-four thousand, two hundred sixty-three".