264547733273 has 4 divisors (see below), whose sum is σ = 280109364660. Its totient is φ = 248986101888.

The previous prime is 264547733209. The next prime is 264547733291. The reversal of 264547733273 is 372337745462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 372337745462 = 2 ⋅186168872731.

It can be written as a sum of positive squares in 2 ways, for example, as 232838096089 + 31709637184 = 482533^2 + 178072^2 .

It is a cyclic number.

It is not a de Polignac number, because 264547733273 - 2⁶ = 264547733209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264547733573) 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, 7780815668 + ... + 7780815701.

It is an arithmetic number, because the mean of its divisors is an integer number (70027341165).

Almost surely, 2^264547733273 is an apocalyptic number.

It is an amenable number.

264547733273 is a deficient number, since it is larger than the sum of its proper divisors (15561631387).

264547733273 is a wasteful number, since it uses less digits than its factorization.

264547733273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15561631386.

The product of its digits is 17781120, while the sum is 53.

The spelling of 264547733273 in words is "two hundred sixty-four billion, five hundred forty-seven million, seven hundred thirty-three thousand, two hundred seventy-three".