210573722473 has 2 divisors, whose sum is σ = 210573722474. Its totient is φ = 210573722472.

The previous prime is 210573722399. The next prime is 210573722531. The reversal of 210573722473 is 374227375012.

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., 185315613289 + 25258109184 = 430483^2 + 158928^2 .

It is a cyclic number.

It is not a de Polignac number, because 210573722473 - 2²⁹ = 210036851561 is a prime.

It is a super-3 number, since 3×210573722473³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (210573722173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105286861236 + 105286861237.

It is an arithmetic number, because the mean of its divisors is an integer number (105286861237).

Almost surely, 2^210573722473 is an apocalyptic number.

It is an amenable number.

210573722473 is a deficient number, since it is larger than the sum of its proper divisors (1).

210573722473 is an equidigital number, since it uses as much as digits as its factorization.

210573722473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 43.

The spelling of 210573722473 in words is "two hundred ten billion, five hundred seventy-three million, seven hundred twenty-two thousand, four hundred seventy-three".