210234044173 has 2 divisors, whose sum is σ = 210234044174. Its totient is φ = 210234044172.

The previous prime is 210234044161. The next prime is 210234044183. The reversal of 210234044173 is 371440432012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202799810889 + 7434233284 = 450333^2 + 86222^2 .

It is a cyclic number.

It is not a de Polignac number, because 210234044173 - 2¹⁷ = 210233913101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210234044183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105117022086 + 105117022087.

It is an arithmetic number, because the mean of its divisors is an integer number (105117022087).

Almost surely, 2^210234044173 is an apocalyptic number.

It is an amenable number.

210234044173 is a deficient number, since it is larger than the sum of its proper divisors (1).

210234044173 is an equidigital number, since it uses as much as digits as its factorization.

210234044173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 210234044173 its reverse (371440432012), we get a palindrome (581674476185).

The spelling of 210234044173 in words is "two hundred ten billion, two hundred thirty-four million, forty-four thousand, one hundred seventy-three".