264340063 has 4 divisors (see below), whose sum is σ = 284673928. Its totient is φ = 244006200.

The previous prime is 264340061. The next prime is 264340091. The reversal of 264340063 is 360043462.

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 264340063 - 2¹ = 264340061 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 (264340061) 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, 10166913 + ... + 10166938.

It is an arithmetic number, because the mean of its divisors is an integer number (71168482).

Almost surely, 2^264340063 is an apocalyptic number.

264340063 is a deficient number, since it is larger than the sum of its proper divisors (20333865).

264340063 is a wasteful number, since it uses less digits than its factorization.

264340063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20333864.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 264340063 is about 16258.5381569193. The cubic root of 264340063 is about 641.7821932057.

The spelling of 264340063 in words is "two hundred sixty-four million, three hundred forty thousand, sixty-three".