229171668049 has 2 divisors, whose sum is σ = 229171668050. Its totient is φ = 229171668048.

The previous prime is 229171668013. The next prime is 229171668109. The reversal of 229171668049 is 940866171922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117302825025 + 111868843024 = 342495^2 + 334468^2 .

It is a cyclic number.

It is not a de Polignac number, because 229171668049 - 2¹⁷ = 229171536977 is a prime.

It is a super-2 number, since 2×229171668049² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (229171668949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114585834024 + 114585834025.

It is an arithmetic number, because the mean of its divisors is an integer number (114585834025).

Almost surely, 2^229171668049 is an apocalyptic number.

It is an amenable number.

229171668049 is a deficient number, since it is larger than the sum of its proper divisors (1).

229171668049 is an equidigital number, since it uses as much as digits as its factorization.

229171668049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 229171668049 in words is "two hundred twenty-nine billion, one hundred seventy-one million, six hundred sixty-eight thousand, forty-nine".