2193542473 has 2 divisors, whose sum is σ = 2193542474. Its totient is φ = 2193542472.

The previous prime is 2193542369. The next prime is 2193542489. The reversal of 2193542473 is 3742453912.

2193542473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1896428304 + 297114169 = 43548^2 + 17237^2 .

It is a cyclic number.

It is not a de Polignac number, because 2193542473 - 2¹³ = 2193534281 is a prime.

It is not a weakly prime, because it can be changed into another prime (2193540473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096771236 + 1096771237.

It is an arithmetic number, because the mean of its divisors is an integer number (1096771237).

Almost surely, 2^2193542473 is an apocalyptic number.

It is an amenable number.

2193542473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2193542473 is an equidigital number, since it uses as much as digits as its factorization.

2193542473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 2193542473 is about 46835.2695412336. The cubic root of 2193542473 is about 1299.3176839551.

The spelling of 2193542473 in words is "two billion, one hundred ninety-three million, five hundred forty-two thousand, four hundred seventy-three".