229935573509 has 2 divisors, whose sum is σ = 229935573510. Its totient is φ = 229935573508.

The previous prime is 229935573499. The next prime is 229935573523. The reversal of 229935573509 is 905375539922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156437652484 + 73497921025 = 395522^2 + 271105^2 .

It is a cyclic number.

It is not a de Polignac number, because 229935573509 - 2⁴ = 229935573493 is a prime.

It is a super-3 number, since 3×229935573509³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229935573589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114967786754 + 114967786755.

It is an arithmetic number, because the mean of its divisors is an integer number (114967786755).

Almost surely, 2^229935573509 is an apocalyptic number.

It is an amenable number.

229935573509 is a deficient number, since it is larger than the sum of its proper divisors (1).

229935573509 is an equidigital number, since it uses as much as digits as its factorization.

229935573509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22963500, while the sum is 59.

The spelling of 229935573509 in words is "two hundred twenty-nine billion, nine hundred thirty-five million, five hundred seventy-three thousand, five hundred nine".