2656328273 has 2 divisors, whose sum is σ = 2656328274. Its totient is φ = 2656328272.

The previous prime is 2656328263. The next prime is 2656328293. The reversal of 2656328273 is 3728236562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1975535809 + 680792464 = 44447^2 + 26092^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656328273 - 2¹⁶ = 2656262737 is a prime.

It is not a weakly prime, because it can be changed into another prime (2656328243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328164136 + 1328164137.

It is an arithmetic number, because the mean of its divisors is an integer number (1328164137).

Almost surely, 2^2656328273 is an apocalyptic number.

It is an amenable number.

2656328273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656328273 is an equidigital number, since it uses as much as digits as its factorization.

2656328273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 44.

The square root of 2656328273 is about 51539.5796742659. The cubic root of 2656328273 is about 1384.9281673702.

The spelling of 2656328273 in words is "two billion, six hundred fifty-six million, three hundred twenty-eight thousand, two hundred seventy-three".