229823182409 has 2 divisors, whose sum is σ = 229823182410. Its totient is φ = 229823182408.

The previous prime is 229823182289. The next prime is 229823182447. The reversal of 229823182409 is 904281328922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164592490000 + 65230692409 = 405700^2 + 255403^2 .

It is a cyclic number.

It is not a de Polignac number, because 229823182409 - 2⁸ = 229823182153 is a prime.

It is not a weakly prime, because it can be changed into another prime (229823182489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114911591204 + 114911591205.

It is an arithmetic number, because the mean of its divisors is an integer number (114911591205).

Almost surely, 2^229823182409 is an apocalyptic number.

It is an amenable number.

229823182409 is a deficient number, since it is larger than the sum of its proper divisors (1).

229823182409 is an equidigital number, since it uses as much as digits as its factorization.

229823182409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 229823182409 in words is "two hundred twenty-nine billion, eight hundred twenty-three million, one hundred eighty-two thousand, four hundred nine".