228696498269 has 2 divisors, whose sum is σ = 228696498270. Its totient is φ = 228696498268.

The previous prime is 228696498209. The next prime is 228696498287. The reversal of 228696498269 is 962894696822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187694298169 + 41002200100 = 433237^2 + 202490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228696498269 is a prime.

It is a super-2 number, since 2×228696498269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228696498209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114348249134 + 114348249135.

It is an arithmetic number, because the mean of its divisors is an integer number (114348249135).

Almost surely, 2^228696498269 is an apocalyptic number.

It is an amenable number.

228696498269 is a deficient number, since it is larger than the sum of its proper divisors (1).

228696498269 is an equidigital number, since it uses as much as digits as its factorization.

228696498269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322486272, while the sum is 71.

The spelling of 228696498269 in words is "two hundred twenty-eight billion, six hundred ninety-six million, four hundred ninety-eight thousand, two hundred sixty-nine".