2273864573 has 2 divisors, whose sum is σ = 2273864574. Its totient is φ = 2273864572.

The previous prime is 2273864561. The next prime is 2273864581. The reversal of 2273864573 is 3754683722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2064975364 + 208889209 = 45442^2 + 14453^2 .

It is a cyclic number.

It is not a de Polignac number, because 2273864573 - 2⁴ = 2273864557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2273864513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136932286 + 1136932287.

It is an arithmetic number, because the mean of its divisors is an integer number (1136932287).

Almost surely, 2^2273864573 is an apocalyptic number.

It is an amenable number.

2273864573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273864573 is an equidigital number, since it uses as much as digits as its factorization.

2273864573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 47.

The square root of 2273864573 is about 47685.0560763013. The cubic root of 2273864573 is about 1314.9872191985.

The spelling of 2273864573 in words is "two billion, two hundred seventy-three million, eight hundred sixty-four thousand, five hundred seventy-three".