210506233073 has 2 divisors, whose sum is σ = 210506233074. Its totient is φ = 210506233072.

The previous prime is 210506233061. The next prime is 210506233141. The reversal of 210506233073 is 370332605012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150053192689 + 60453040384 = 387367^2 + 245872^2 .

It is a cyclic number.

It is not a de Polignac number, because 210506233073 - 2¹⁶ = 210506167537 is a prime.

It is not a weakly prime, because it can be changed into another prime (210506232073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105253116536 + 105253116537.

It is an arithmetic number, because the mean of its divisors is an integer number (105253116537).

Almost surely, 2^210506233073 is an apocalyptic number.

It is an amenable number.

210506233073 is a deficient number, since it is larger than the sum of its proper divisors (1).

210506233073 is an equidigital number, since it uses as much as digits as its factorization.

210506233073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 32.

Adding to 210506233073 its reverse (370332605012), we get a palindrome (580838838085).

The spelling of 210506233073 in words is "two hundred ten billion, five hundred six million, two hundred thirty-three thousand, seventy-three".