2664353273 has 4 divisors (see below), whose sum is σ = 2665765620. Its totient is φ = 2662940928.

The previous prime is 2664353267. The next prime is 2664353297. The reversal of 2664353273 is 3723534662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3723534662 = 2 ⋅1861767331.

It can be written as a sum of positive squares in 2 ways, for example, as 625650169 + 2038703104 = 25013^2 + 45152^2 .

It is a cyclic number.

It is not a de Polignac number, because 2664353273 - 2¹⁶ = 2664287737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2664353273.

It is not an unprimeable number, because it can be changed into a prime (2664353233) 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, 703340 + ... + 707117.

It is an arithmetic number, because the mean of its divisors is an integer number (666441405).

Almost surely, 2^2664353273 is an apocalyptic number.

It is an amenable number.

2664353273 is a deficient number, since it is larger than the sum of its proper divisors (1412347).

2664353273 is a wasteful number, since it uses less digits than its factorization.

2664353273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412346.

The product of its digits is 544320, while the sum is 41.

The square root of 2664353273 is about 51617.3737514802. The cubic root of 2664353273 is about 1386.3214282900.

The spelling of 2664353273 in words is "two billion, six hundred sixty-four million, three hundred fifty-three thousand, two hundred seventy-three".