229171669061 has 2 divisors, whose sum is σ = 229171669062. Its totient is φ = 229171669060.

The previous prime is 229171669049. The next prime is 229171669081. The reversal of 229171669061 is 160966171922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144461566561 + 84710102500 = 380081^2 + 291050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229171669061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229171669081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114585834530 + 114585834531.

It is an arithmetic number, because the mean of its divisors is an integer number (114585834531).

Almost surely, 2^229171669061 is an apocalyptic number.

It is an amenable number.

229171669061 is a deficient number, since it is larger than the sum of its proper divisors (1).

229171669061 is an equidigital number, since it uses as much as digits as its factorization.

229171669061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 229171669061 in words is "two hundred twenty-nine billion, one hundred seventy-one million, six hundred sixty-nine thousand, sixty-one".