229868466917 has 4 divisors (see below), whose sum is σ = 229948815276. Its totient is φ = 229788118560.

The previous prime is 229868466889. The next prime is 229868466923. The reversal of 229868466917 is 719664868922.

It is a Cunningham number, because it is equal to 479446²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 128489270116 + 101379196801 = 358454^2 + 318401^2 .

It is a cyclic number.

It is not a de Polignac number, because 229868466917 - 2¹² = 229868462821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229868466937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40169888 + ... + 40175609.

It is an arithmetic number, because the mean of its divisors is an integer number (57487203819).

Almost surely, 2^229868466917 is an apocalyptic number.

It is an amenable number.

229868466917 is a deficient number, since it is larger than the sum of its proper divisors (80348359).

229868466917 is an equidigital number, since it uses as much as digits as its factorization.

229868466917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80348358.

The product of its digits is 125411328, while the sum is 68.

The spelling of 229868466917 in words is "two hundred twenty-nine billion, eight hundred sixty-eight million, four hundred sixty-six thousand, nine hundred seventeen".