16573454252573 has 2 divisors, whose sum is σ = 16573454252574. Its totient is φ = 16573454252572.

The previous prime is 16573454252519. The next prime is 16573454252617. The reversal of 16573454252573 is 37525245437561.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12078384307609 + 4495069944964 = 3475397^2 + 2120158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16573454252573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16573454252503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8286727126286 + 8286727126287.

It is an arithmetic number, because the mean of its divisors is an integer number (8286727126287).

Almost surely, 2^{16573454252573} is an apocalyptic number.

It is an amenable number.

16573454252573 is a deficient number, since it is larger than the sum of its proper divisors (1).

16573454252573 is an equidigital number, since it uses as much as digits as its factorization.

16573454252573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840000, while the sum is 59.

The spelling of 16573454252573 in words is "sixteen trillion, five hundred seventy-three billion, four hundred fifty-four million, two hundred fifty-two thousand, five hundred seventy-three".