229998027709 has 2 divisors, whose sum is σ = 229998027710. Its totient is φ = 229998027708.

The previous prime is 229998027689. The next prime is 229998027739. The reversal of 229998027709 is 907720899922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205966207225 + 24031820484 = 453835^2 + 155022^2 .

It is a cyclic number.

It is not a de Polignac number, because 229998027709 - 2²¹ = 229995930557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229998027739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114999013854 + 114999013855.

It is an arithmetic number, because the mean of its divisors is an integer number (114999013855).

Almost surely, 2^229998027709 is an apocalyptic number.

It is an amenable number.

229998027709 is a deficient number, since it is larger than the sum of its proper divisors (1).

229998027709 is an equidigital number, since it uses as much as digits as its factorization.

229998027709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20575296, while the sum is 64.

The spelling of 229998027709 in words is "two hundred twenty-nine billion, nine hundred ninety-eight million, twenty-seven thousand, seven hundred nine".