210506232073 has 2 divisors, whose sum is σ = 210506232074. Its totient is φ = 210506232072.

The previous prime is 210506232043. The next prime is 210506232091. The reversal of 210506232073 is 370232605012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210485511369 + 20720704 = 458787^2 + 4552^2 .

It is a cyclic number.

It is not a de Polignac number, because 210506232073 - 2³⁷ = 73067278601 is a prime.

It is not a weakly prime, because it can be changed into another prime (210506232043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105253116036 + 105253116037.

It is an arithmetic number, because the mean of its divisors is an integer number (105253116037).

Almost surely, 2^210506232073 is an apocalyptic number.

It is an amenable number.

210506232073 is a deficient number, since it is larger than the sum of its proper divisors (1).

210506232073 is an equidigital number, since it uses as much as digits as its factorization.

210506232073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

Adding to 210506232073 its reverse (370232605012), we get a palindrome (580738837085).

The spelling of 210506232073 in words is "two hundred ten billion, five hundred six million, two hundred thirty-two thousand, seventy-three".