2173275473 has 2 divisors, whose sum is σ = 2173275474. Its totient is φ = 2173275472.

The previous prime is 2173275439. The next prime is 2173275509. The reversal of 2173275473 is 3745723712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1505983249 + 667292224 = 38807^2 + 25832^2 .

It is a cyclic number.

It is not a de Polignac number, because 2173275473 - 2¹⁴ = 2173259089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2173275473.

It is not a weakly prime, because it can be changed into another prime (2173275373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086637736 + 1086637737.

It is an arithmetic number, because the mean of its divisors is an integer number (1086637737).

Almost surely, 2^2173275473 is an apocalyptic number.

It is an amenable number.

2173275473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173275473 is an equidigital number, since it uses as much as digits as its factorization.

2173275473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246960, while the sum is 41.

The square root of 2173275473 is about 46618.4027289653. The cubic root of 2173275473 is about 1295.3036606961.

The spelling of 2173275473 in words is "two billion, one hundred seventy-three million, two hundred seventy-five thousand, four hundred seventy-three".