229902498169 has 2 divisors, whose sum is σ = 229902498170. Its totient is φ = 229902498168.

The previous prime is 229902498151. The next prime is 229902498181. The reversal of 229902498169 is 961894209922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221005292544 + 8897205625 = 470112^2 + 94325^2 .

It is a cyclic number.

It is not a de Polignac number, because 229902498169 - 2¹⁹ = 229901973881 is a prime.

It is a super-2 number, since 2×229902498169² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (229902498109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114951249084 + 114951249085.

It is an arithmetic number, because the mean of its divisors is an integer number (114951249085).

Almost surely, 2^229902498169 is an apocalyptic number.

It is an amenable number.

229902498169 is a deficient number, since it is larger than the sum of its proper divisors (1).

229902498169 is an equidigital number, since it uses as much as digits as its factorization.

229902498169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10077696, while the sum is 61.

The spelling of 229902498169 in words is "two hundred twenty-nine billion, nine hundred two million, four hundred ninety-eight thousand, one hundred sixty-nine".